Home / 310,202.02-465,335.40-85,562.50

Finding the Fourth Proportional to 310,202.02, 465,335.40 and 85,562.50

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Solution

The fourth proportional to 310,202.02, 465,335.40 and 85,562.50 is: 128,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,202.02 : 465,335.40 = 85,562.50 : x
  2. Step 2: Convert to fraction form
    310,202.02/465,335.40 = 85,562.50/x
  3. Step 3: Cross multiply
    310,202.02x = 465,335.40 × 85,562.50
  4. Step 4: Simplify right side
    310,202.02x = 39,815,260,162.50
  5. Step 5: Solve for x
    x = 39,815,260,162.50/310,202.02
  6. Step 6: Final answer
    x = 128,352.68

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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.