Home / 389,746.56-582,931.08-229,440.48

Finding the Fourth Proportional to 389,746.56, 582,931.08 and 229,440.48

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Solution

The fourth proportional to 389,746.56, 582,931.08 and 229,440.48 is: 343,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,746.56 : 582,931.08 = 229,440.48 : x
  2. Step 2: Convert to fraction form
    389,746.56/582,931.08 = 229,440.48/x
  3. Step 3: Cross multiply
    389,746.56x = 582,931.08 × 229,440.48
  4. Step 4: Simplify right side
    389,746.56x = 133,747,986,802.12
  5. Step 5: Solve for x
    x = 133,747,986,802.12/389,746.56
  6. Step 6: Final answer
    x = 343,166.56

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1.5x scale

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.