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Finding the Fourth Proportional to 360,335.76, 497,311.02 and 348,506.52

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Solution

The fourth proportional to 360,335.76, 497,311.02 and 348,506.52 is: 480,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,335.76 : 497,311.02 = 348,506.52 : x
  2. Step 2: Convert to fraction form
    360,335.76/497,311.02 = 348,506.52/x
  3. Step 3: Cross multiply
    360,335.76x = 497,311.02 × 348,506.52
  4. Step 4: Simplify right side
    360,335.76x = 173,316,132,937.85
  5. Step 5: Solve for x
    x = 173,316,132,937.85/360,335.76
  6. Step 6: Final answer
    x = 480,985.10

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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.