Home / 398,660.04-550,284.18-237,565.62

Finding the Fourth Proportional to 398,660.04, 550,284.18 and 237,565.62

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Solution

The fourth proportional to 398,660.04, 550,284.18 and 237,565.62 is: 327,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,660.04 : 550,284.18 = 237,565.62 : x
  2. Step 2: Convert to fraction form
    398,660.04/550,284.18 = 237,565.62/x
  3. Step 3: Cross multiply
    398,660.04x = 550,284.18 × 237,565.62
  4. Step 4: Simplify right side
    398,660.04x = 130,728,602,397.89
  5. Step 5: Solve for x
    x = 130,728,602,397.89/398,660.04
  6. Step 6: Final answer
    x = 327,920.01

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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.