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Finding the Fourth Proportional to 375,701.04, 518,461.56 and 203,614.92

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Solution

The fourth proportional to 375,701.04, 518,461.56 and 203,614.92 is: 280,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,701.04 : 518,461.56 = 203,614.92 : x
  2. Step 2: Convert to fraction form
    375,701.04/518,461.56 = 203,614.92/x
  3. Step 3: Cross multiply
    375,701.04x = 518,461.56 × 203,614.92
  4. Step 4: Simplify right side
    375,701.04x = 105,566,509,062.48
  5. Step 5: Solve for x
    x = 105,566,509,062.48/375,701.04
  6. Step 6: Final answer
    x = 280,985.41

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1.5x scale

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.