Home / 349,356.04-482,477.31-240,742.78

Finding the Fourth Proportional to 349,356.04, 482,477.31 and 240,742.78

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Solution

The fourth proportional to 349,356.04, 482,477.31 and 240,742.78 is: 332,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,356.04 : 482,477.31 = 240,742.78 : x
  2. Step 2: Convert to fraction form
    349,356.04/482,477.31 = 240,742.78/x
  3. Step 3: Cross multiply
    349,356.04x = 482,477.31 × 240,742.78
  4. Step 4: Simplify right side
    349,356.04x = 116,152,930,404.06
  5. Step 5: Solve for x
    x = 116,152,930,404.06/349,356.04
  6. Step 6: Final answer
    x = 332,477.24

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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.