Home / 292,210.54-437,949.91-156,942.20

Finding the Fourth Proportional to 292,210.54, 437,949.91 and 156,942.20

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Solution

The fourth proportional to 292,210.54, 437,949.91 and 156,942.20 is: 235,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,210.54 : 437,949.91 = 156,942.20 : x
  2. Step 2: Convert to fraction form
    292,210.54/437,949.91 = 156,942.20/x
  3. Step 3: Cross multiply
    292,210.54x = 437,949.91 × 156,942.20
  4. Step 4: Simplify right side
    292,210.54x = 68,732,820,521.74
  5. Step 5: Solve for x
    x = 68,732,820,521.74/292,210.54
  6. Step 6: Final answer
    x = 235,216.78

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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.