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Finding the Fourth Proportional to 630,160.40, 945,235.73 and 156,842.57

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Solution

The fourth proportional to 630,160.40, 945,235.73 and 156,842.57 is: 235,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,160.40 : 945,235.73 = 156,842.57 : x
  2. Step 2: Convert to fraction form
    630,160.40/945,235.73 = 156,842.57/x
  3. Step 3: Cross multiply
    630,160.40x = 945,235.73 × 156,842.57
  4. Step 4: Simplify right side
    630,160.40x = 148,253,201,149.03
  5. Step 5: Solve for x
    x = 148,253,201,149.03/630,160.40
  6. Step 6: Final answer
    x = 235,262.64

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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.