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Finding the Fourth Proportional to 289,946.68, 435,045.24 and 156,920.86

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Solution

The fourth proportional to 289,946.68, 435,045.24 and 156,920.86 is: 235,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,946.68 : 435,045.24 = 156,920.86 : x
  2. Step 2: Convert to fraction form
    289,946.68/435,045.24 = 156,920.86/x
  3. Step 3: Cross multiply
    289,946.68x = 435,045.24 × 156,920.86
  4. Step 4: Simplify right side
    289,946.68x = 68,267,673,199.71
  5. Step 5: Solve for x
    x = 68,267,673,199.71/289,946.68
  6. Step 6: Final answer
    x = 235,449.06

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