Home / 374,442.70-561,664.05-163,857.10

Finding the Fourth Proportional to 374,442.70, 561,664.05 and 163,857.10

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Solution

The fourth proportional to 374,442.70, 561,664.05 and 163,857.10 is: 245,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,442.70 : 561,664.05 = 163,857.10 : x
  2. Step 2: Convert to fraction form
    374,442.70/561,664.05 = 163,857.10/x
  3. Step 3: Cross multiply
    374,442.70x = 561,664.05 × 163,857.10
  4. Step 4: Simplify right side
    374,442.70x = 92,032,642,407.26
  5. Step 5: Solve for x
    x = 92,032,642,407.26/374,442.70
  6. Step 6: Final answer
    x = 245,785.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.