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Finding the Fourth Proportional to 223,017.40, 334,526.10 and 156,532.60

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Solution

The fourth proportional to 223,017.40, 334,526.10 and 156,532.60 is: 234,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,017.40 : 334,526.10 = 156,532.60 : x
  2. Step 2: Convert to fraction form
    223,017.40/334,526.10 = 156,532.60/x
  3. Step 3: Cross multiply
    223,017.40x = 334,526.10 × 156,532.60
  4. Step 4: Simplify right side
    223,017.40x = 52,364,240,200.86
  5. Step 5: Solve for x
    x = 52,364,240,200.86/223,017.40
  6. Step 6: Final answer
    x = 234,798.90

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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.