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Finding the Fourth Proportional to 370,002.40, 555,003.60 and 133,352.80

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Solution

The fourth proportional to 370,002.40, 555,003.60 and 133,352.80 is: 200,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,002.40 : 555,003.60 = 133,352.80 : x
  2. Step 2: Convert to fraction form
    370,002.40/555,003.60 = 133,352.80/x
  3. Step 3: Cross multiply
    370,002.40x = 555,003.60 × 133,352.80
  4. Step 4: Simplify right side
    370,002.40x = 74,011,284,070.08
  5. Step 5: Solve for x
    x = 74,011,284,070.08/370,002.40
  6. Step 6: Final answer
    x = 200,029.20

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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.