Home / 371,777.09-513,051.32-202,011.17

Finding the Fourth Proportional to 371,777.09, 513,051.32 and 202,011.17

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Solution

The fourth proportional to 371,777.09, 513,051.32 and 202,011.17 is: 278,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,777.09 : 513,051.32 = 202,011.17 : x
  2. Step 2: Convert to fraction form
    371,777.09/513,051.32 = 202,011.17/x
  3. Step 3: Cross multiply
    371,777.09x = 513,051.32 × 202,011.17
  4. Step 4: Simplify right side
    371,777.09x = 103,642,095,363.02
  5. Step 5: Solve for x
    x = 103,642,095,363.02/371,777.09
  6. Step 6: Final answer
    x = 278,774.83

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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.