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Finding the Fourth Proportional to 442,026.52, 609,999.08 and 258,275.88

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Solution

The fourth proportional to 442,026.52, 609,999.08 and 258,275.88 is: 356,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,026.52 : 609,999.08 = 258,275.88 : x
  2. Step 2: Convert to fraction form
    442,026.52/609,999.08 = 258,275.88/x
  3. Step 3: Cross multiply
    442,026.52x = 609,999.08 × 258,275.88
  4. Step 4: Simplify right side
    442,026.52x = 157,548,049,186.19
  5. Step 5: Solve for x
    x = 157,548,049,186.19/442,026.52
  6. Step 6: Final answer
    x = 356,422.16

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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.