Home / 421,932.47-582,272.28-230,941.76

Finding the Fourth Proportional to 421,932.47, 582,272.28 and 230,941.76

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Solution

The fourth proportional to 421,932.47, 582,272.28 and 230,941.76 is: 318,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,932.47 : 582,272.28 = 230,941.76 : x
  2. Step 2: Convert to fraction form
    421,932.47/582,272.28 = 230,941.76/x
  3. Step 3: Cross multiply
    421,932.47x = 582,272.28 × 230,941.76
  4. Step 4: Simplify right side
    421,932.47x = 134,470,985,142.41
  5. Step 5: Solve for x
    x = 134,470,985,142.41/421,932.47
  6. Step 6: Final answer
    x = 318,702.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.