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Finding the Fourth Proportional to 370,951.20, 555,770.70 and 314,526.60

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Solution

The fourth proportional to 370,951.20, 555,770.70 and 314,526.60 is: 471,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,951.20 : 555,770.70 = 314,526.60 : x
  2. Step 2: Convert to fraction form
    370,951.20/555,770.70 = 314,526.60/x
  3. Step 3: Cross multiply
    370,951.20x = 555,770.70 × 314,526.60
  4. Step 4: Simplify right side
    370,951.20x = 174,804,668,650.62
  5. Step 5: Solve for x
    x = 174,804,668,650.62/370,951.20
  6. Step 6: Final answer
    x = 471,233.60

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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.