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Finding the Fourth Proportional to 389,024.28, 537,008.13 and 334,360.08

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Solution

The fourth proportional to 389,024.28, 537,008.13 and 334,360.08 is: 461,549.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,024.28 : 537,008.13 = 334,360.08 : x
  2. Step 2: Convert to fraction form
    389,024.28/537,008.13 = 334,360.08/x
  3. Step 3: Cross multiply
    389,024.28x = 537,008.13 × 334,360.08
  4. Step 4: Simplify right side
    389,024.28x = 179,554,081,307.45
  5. Step 5: Solve for x
    x = 179,554,081,307.45/389,024.28
  6. Step 6: Final answer
    x = 461,549.81

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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.