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Finding the Fourth Proportional to 247,289.40, 370,934.10 and 60,300.90

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Solution

The fourth proportional to 247,289.40, 370,934.10 and 60,300.90 is: 90,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,289.40 : 370,934.10 = 60,300.90 : x
  2. Step 2: Convert to fraction form
    247,289.40/370,934.10 = 60,300.90/x
  3. Step 3: Cross multiply
    247,289.40x = 370,934.10 × 60,300.90
  4. Step 4: Simplify right side
    247,289.40x = 22,367,660,070.69
  5. Step 5: Solve for x
    x = 22,367,660,070.69/247,289.40
  6. Step 6: Final answer
    x = 90,451.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.