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Finding the Fourth Proportional to 630,122.29, 945,183.53 and 156,807.60

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Solution

The fourth proportional to 630,122.29, 945,183.53 and 156,807.60 is: 235,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,122.29 : 945,183.53 = 156,807.60 : x
  2. Step 2: Convert to fraction form
    630,122.29/945,183.53 = 156,807.60/x
  3. Step 3: Cross multiply
    630,122.29x = 945,183.53 × 156,807.60
  4. Step 4: Simplify right side
    630,122.29x = 148,211,957,746.41
  5. Step 5: Solve for x
    x = 148,211,957,746.41/630,122.29
  6. Step 6: Final answer
    x = 235,211.42

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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.