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Finding the Fourth Proportional to 370,301.80, 555,452.70 and 89,818.60

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Solution

The fourth proportional to 370,301.80, 555,452.70 and 89,818.60 is: 134,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,301.80 : 555,452.70 = 89,818.60 : x
  2. Step 2: Convert to fraction form
    370,301.80/555,452.70 = 89,818.60/x
  3. Step 3: Cross multiply
    370,301.80x = 555,452.70 × 89,818.60
  4. Step 4: Simplify right side
    370,301.80x = 49,889,983,880.22
  5. Step 5: Solve for x
    x = 49,889,983,880.22/370,301.80
  6. Step 6: Final answer
    x = 134,727.90

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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.