Home / 374,979.90-517,465.35-205,210.62

Finding the Fourth Proportional to 374,979.90, 517,465.35 and 205,210.62

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Solution

The fourth proportional to 374,979.90, 517,465.35 and 205,210.62 is: 283,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,979.90 : 517,465.35 = 205,210.62 : x
  2. Step 2: Convert to fraction form
    374,979.90/517,465.35 = 205,210.62/x
  3. Step 3: Cross multiply
    374,979.90x = 517,465.35 × 205,210.62
  4. Step 4: Simplify right side
    374,979.90x = 106,189,385,302.02
  5. Step 5: Solve for x
    x = 106,189,385,302.02/374,979.90
  6. Step 6: Final answer
    x = 283,186.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.