Home / 657,787.20-986,076-236,960.16

Finding the Fourth Proportional to 657,787.20, 986,076 and 236,960.16

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Solution

The fourth proportional to 657,787.20, 986,076 and 236,960.16 is: 355,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,787.20 : 986,076 = 236,960.16 : x
  2. Step 2: Convert to fraction form
    657,787.20/986,076 = 236,960.16/x
  3. Step 3: Cross multiply
    657,787.20x = 986,076 × 236,960.16
  4. Step 4: Simplify right side
    657,787.20x = 233,660,726,732.16
  5. Step 5: Solve for x
    x = 233,660,726,732.16/657,787.20
  6. Step 6: Final answer
    x = 355,222.37

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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.