Home / 421,929.47-582,268.14-230,938.76

Finding the Fourth Proportional to 421,929.47, 582,268.14 and 230,938.76

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Solution

The fourth proportional to 421,929.47, 582,268.14 and 230,938.76 is: 318,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,929.47 : 582,268.14 = 230,938.76 : x
  2. Step 2: Convert to fraction form
    421,929.47/582,268.14 = 230,938.76/x
  3. Step 3: Cross multiply
    421,929.47x = 582,268.14 × 230,938.76
  4. Step 4: Simplify right side
    421,929.47x = 134,468,280,645.25
  5. Step 5: Solve for x
    x = 134,468,280,645.25/421,929.47
  6. Step 6: Final answer
    x = 318,698.48

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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.