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Finding the Fourth Proportional to 361,031.04, 498,266.10 and 210,128.04

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Solution

The fourth proportional to 361,031.04, 498,266.10 and 210,128.04 is: 290,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,031.04 : 498,266.10 = 210,128.04 : x
  2. Step 2: Convert to fraction form
    361,031.04/498,266.10 = 210,128.04/x
  3. Step 3: Cross multiply
    361,031.04x = 498,266.10 × 210,128.04
  4. Step 4: Simplify right side
    361,031.04x = 104,699,678,991.44
  5. Step 5: Solve for x
    x = 104,699,678,991.44/361,031.04
  6. Step 6: Final answer
    x = 290,001.88

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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.