Home / 460,941.32-636,140.79-279,699.16

Finding the Fourth Proportional to 460,941.32, 636,140.79 and 279,699.16

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Solution

The fourth proportional to 460,941.32, 636,140.79 and 279,699.16 is: 386,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,941.32 : 636,140.79 = 279,699.16 : x
  2. Step 2: Convert to fraction form
    460,941.32/636,140.79 = 279,699.16/x
  3. Step 3: Cross multiply
    460,941.32x = 636,140.79 × 279,699.16
  4. Step 4: Simplify right side
    460,941.32x = 177,928,044,604.74
  5. Step 5: Solve for x
    x = 177,928,044,604.74/460,941.32
  6. Step 6: Final answer
    x = 386,010.19

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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.