Home / 268,335.80-370,295.56-153,610.64

Finding the Fourth Proportional to 268,335.80, 370,295.56 and 153,610.64

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Solution

The fourth proportional to 268,335.80, 370,295.56 and 153,610.64 is: 211,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,335.80 : 370,295.56 = 153,610.64 : x
  2. Step 2: Convert to fraction form
    268,335.80/370,295.56 = 153,610.64/x
  3. Step 3: Cross multiply
    268,335.80x = 370,295.56 × 153,610.64
  4. Step 4: Simplify right side
    268,335.80x = 56,881,337,689.90
  5. Step 5: Solve for x
    x = 56,881,337,689.90/268,335.80
  6. Step 6: Final answer
    x = 211,978.19

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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.