Home / 258,911.16-388,168.02-232,535.40

Finding the Fourth Proportional to 258,911.16, 388,168.02 and 232,535.40

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Solution

The fourth proportional to 258,911.16, 388,168.02 and 232,535.40 is: 348,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,911.16 : 388,168.02 = 232,535.40 : x
  2. Step 2: Convert to fraction form
    258,911.16/388,168.02 = 232,535.40/x
  3. Step 3: Cross multiply
    258,911.16x = 388,168.02 × 232,535.40
  4. Step 4: Simplify right side
    258,911.16x = 90,262,805,797.91
  5. Step 5: Solve for x
    x = 90,262,805,797.91/258,911.16
  6. Step 6: Final answer
    x = 348,624.62

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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.