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Finding the Fourth Proportional to 304,332.40, 456,498.60 and 288,002.80

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Solution

The fourth proportional to 304,332.40, 456,498.60 and 288,002.80 is: 432,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,332.40 : 456,498.60 = 288,002.80 : x
  2. Step 2: Convert to fraction form
    304,332.40/456,498.60 = 288,002.80/x
  3. Step 3: Cross multiply
    304,332.40x = 456,498.60 × 288,002.80
  4. Step 4: Simplify right side
    304,332.40x = 131,472,874,996.08
  5. Step 5: Solve for x
    x = 131,472,874,996.08/304,332.40
  6. Step 6: Final answer
    x = 432,004.20

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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.