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Finding the Fourth Proportional to 545,159.34, 752,344.61 and 303,457.32

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Solution

The fourth proportional to 545,159.34, 752,344.61 and 303,457.32 is: 418,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,159.34 : 752,344.61 = 303,457.32 : x
  2. Step 2: Convert to fraction form
    545,159.34/752,344.61 = 303,457.32/x
  3. Step 3: Cross multiply
    545,159.34x = 752,344.61 × 303,457.32
  4. Step 4: Simplify right side
    545,159.34x = 228,304,477,549.76
  5. Step 5: Solve for x
    x = 228,304,477,549.76/545,159.34
  6. Step 6: Final answer
    x = 418,784.86

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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.