Home / 389,125.02-537,076.02-245,793.90

Finding the Fourth Proportional to 389,125.02, 537,076.02 and 245,793.90

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Solution

The fourth proportional to 389,125.02, 537,076.02 and 245,793.90 is: 339,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,125.02 : 537,076.02 = 245,793.90 : x
  2. Step 2: Convert to fraction form
    389,125.02/537,076.02 = 245,793.90/x
  3. Step 3: Cross multiply
    389,125.02x = 537,076.02 × 245,793.90
  4. Step 4: Simplify right side
    389,125.02x = 132,010,009,552.28
  5. Step 5: Solve for x
    x = 132,010,009,552.28/389,125.02
  6. Step 6: Final answer
    x = 339,248.32

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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.