Home / 207,745.15-287,172.60-185,306.53

Finding the Fourth Proportional to 207,745.15, 287,172.60 and 185,306.53

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Solution

The fourth proportional to 207,745.15, 287,172.60 and 185,306.53 is: 256,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,745.15 : 287,172.60 = 185,306.53 : x
  2. Step 2: Convert to fraction form
    207,745.15/287,172.60 = 185,306.53/x
  3. Step 3: Cross multiply
    207,745.15x = 287,172.60 × 185,306.53
  4. Step 4: Simplify right side
    207,745.15x = 53,214,958,017.08
  5. Step 5: Solve for x
    x = 53,214,958,017.08/207,745.15
  6. Step 6: Final answer
    x = 256,155.00

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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.