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Finding the Fourth Proportional to 442,031.52, 610,005.98 and 258,280.88

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Solution

The fourth proportional to 442,031.52, 610,005.98 and 258,280.88 is: 356,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,031.52 : 610,005.98 = 258,280.88 : x
  2. Step 2: Convert to fraction form
    442,031.52/610,005.98 = 258,280.88/x
  3. Step 3: Cross multiply
    442,031.52x = 610,005.98 × 258,280.88
  4. Step 4: Simplify right side
    442,031.52x = 157,552,881,319.66
  5. Step 5: Solve for x
    x = 157,552,881,319.66/442,031.52
  6. Step 6: Final answer
    x = 356,429.06

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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.