Home / 374,931.91-517,406.06-205,166.05

Finding the Fourth Proportional to 374,931.91, 517,406.06 and 205,166.05

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Solution

The fourth proportional to 374,931.91, 517,406.06 and 205,166.05 is: 283,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,931.91 : 517,406.06 = 205,166.05 : x
  2. Step 2: Convert to fraction form
    374,931.91/517,406.06 = 205,166.05/x
  3. Step 3: Cross multiply
    374,931.91x = 517,406.06 × 205,166.05
  4. Step 4: Simplify right side
    374,931.91x = 106,154,155,502.15
  5. Step 5: Solve for x
    x = 106,154,155,502.15/374,931.91
  6. Step 6: Final answer
    x = 283,129.16

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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.