Home / 461,981.40-692,907.30-146,470.20

Finding the Fourth Proportional to 461,981.40, 692,907.30 and 146,470.20

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Solution

The fourth proportional to 461,981.40, 692,907.30 and 146,470.20 is: 219,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,981.40 : 692,907.30 = 146,470.20 : x
  2. Step 2: Convert to fraction form
    461,981.40/692,907.30 = 146,470.20/x
  3. Step 3: Cross multiply
    461,981.40x = 692,907.30 × 146,470.20
  4. Step 4: Simplify right side
    461,981.40x = 101,490,270,812.46
  5. Step 5: Solve for x
    x = 101,490,270,812.46/461,981.40
  6. Step 6: Final answer
    x = 219,684.76

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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.