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Finding the Fourth Proportional to 354,058.04, 488,532.50 and 208,909.48

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Solution

The fourth proportional to 354,058.04, 488,532.50 and 208,909.48 is: 288,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,058.04 : 488,532.50 = 208,909.48 : x
  2. Step 2: Convert to fraction form
    354,058.04/488,532.50 = 208,909.48/x
  3. Step 3: Cross multiply
    354,058.04x = 488,532.50 × 208,909.48
  4. Step 4: Simplify right side
    354,058.04x = 102,059,070,538.10
  5. Step 5: Solve for x
    x = 102,059,070,538.10/354,058.04
  6. Step 6: Final answer
    x = 288,255.20

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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.