Home / 374,427.90-561,641.85-187,415.10

Finding the Fourth Proportional to 374,427.90, 561,641.85 and 187,415.10

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Solution

The fourth proportional to 374,427.90, 561,641.85 and 187,415.10 is: 281,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,427.90 : 561,641.85 = 187,415.10 : x
  2. Step 2: Convert to fraction form
    374,427.90/561,641.85 = 187,415.10/x
  3. Step 3: Cross multiply
    374,427.90x = 561,641.85 × 187,415.10
  4. Step 4: Simplify right side
    374,427.90x = 105,260,163,481.94
  5. Step 5: Solve for x
    x = 105,260,163,481.94/374,427.90
  6. Step 6: Final answer
    x = 281,122.65

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1.5x scale

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.