Home / 630,045.24-945,071.28-156,730.68

Finding the Fourth Proportional to 630,045.24, 945,071.28 and 156,730.68

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Solution

The fourth proportional to 630,045.24, 945,071.28 and 156,730.68 is: 235,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,045.24 : 945,071.28 = 156,730.68 : x
  2. Step 2: Convert to fraction form
    630,045.24/945,071.28 = 156,730.68/x
  3. Step 3: Cross multiply
    630,045.24x = 945,071.28 × 156,730.68
  4. Step 4: Simplify right side
    630,045.24x = 148,121,664,362.87
  5. Step 5: Solve for x
    x = 148,121,664,362.87/630,045.24
  6. Step 6: Final answer
    x = 235,096.87

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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.