Home / 374,917.50-517,386.15-205,151.64

Finding the Fourth Proportional to 374,917.50, 517,386.15 and 205,151.64

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Solution

The fourth proportional to 374,917.50, 517,386.15 and 205,151.64 is: 283,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,917.50 : 517,386.15 = 205,151.64 : x
  2. Step 2: Convert to fraction form
    374,917.50/517,386.15 = 205,151.64/x
  3. Step 3: Cross multiply
    374,917.50x = 517,386.15 × 205,151.64
  4. Step 4: Simplify right side
    374,917.50x = 106,142,617,185.79
  5. Step 5: Solve for x
    x = 106,142,617,185.79/374,917.50
  6. Step 6: Final answer
    x = 283,109.26

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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.