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Finding the Fourth Proportional to 348,337.60, 480,017.76 and 247,453.12

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Solution

The fourth proportional to 348,337.60, 480,017.76 and 247,453.12 is: 340,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,337.60 : 480,017.76 = 247,453.12 : x
  2. Step 2: Convert to fraction form
    348,337.60/480,017.76 = 247,453.12/x
  3. Step 3: Cross multiply
    348,337.60x = 480,017.76 × 247,453.12
  4. Step 4: Simplify right side
    348,337.60x = 118,781,892,367.41
  5. Step 5: Solve for x
    x = 118,781,892,367.41/348,337.60
  6. Step 6: Final answer
    x = 340,996.47

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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.