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Finding the Fourth Proportional to 324,000.20, 484,445.10 and 240,019.40

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Solution

The fourth proportional to 324,000.20, 484,445.10 and 240,019.40 is: 358,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,000.20 : 484,445.10 = 240,019.40 : x
  2. Step 2: Convert to fraction form
    324,000.20/484,445.10 = 240,019.40/x
  3. Step 3: Cross multiply
    324,000.20x = 484,445.10 × 240,019.40
  4. Step 4: Simplify right side
    324,000.20x = 116,276,222,234.94
  5. Step 5: Solve for x
    x = 116,276,222,234.94/324,000.20
  6. Step 6: Final answer
    x = 358,877.01

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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.