Home / 421,966.76-582,328.94-230,980.31

Finding the Fourth Proportional to 421,966.76, 582,328.94 and 230,980.31

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Solution

The fourth proportional to 421,966.76, 582,328.94 and 230,980.31 is: 318,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,966.76 : 582,328.94 = 230,980.31 : x
  2. Step 2: Convert to fraction form
    421,966.76/582,328.94 = 230,980.31/x
  3. Step 3: Cross multiply
    421,966.76x = 582,328.94 × 230,980.31
  4. Step 4: Simplify right side
    421,966.76x = 134,506,519,083.17
  5. Step 5: Solve for x
    x = 134,506,519,083.17/421,966.76
  6. Step 6: Final answer
    x = 318,760.94

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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.