Home / 392,006.23-540,903.02-230,893.36

Finding the Fourth Proportional to 392,006.23, 540,903.02 and 230,893.36

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Solution

The fourth proportional to 392,006.23, 540,903.02 and 230,893.36 is: 318,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,006.23 : 540,903.02 = 230,893.36 : x
  2. Step 2: Convert to fraction form
    392,006.23/540,903.02 = 230,893.36/x
  3. Step 3: Cross multiply
    392,006.23x = 540,903.02 × 230,893.36
  4. Step 4: Simplify right side
    392,006.23x = 124,890,913,017.43
  5. Step 5: Solve for x
    x = 124,890,913,017.43/392,006.23
  6. Step 6: Final answer
    x = 318,594.21

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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.