Home / 220,435.86-304,209.36-135,536.52

Finding the Fourth Proportional to 220,435.86, 304,209.36 and 135,536.52

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Solution

The fourth proportional to 220,435.86, 304,209.36 and 135,536.52 is: 187,045.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,435.86 : 304,209.36 = 135,536.52 : x
  2. Step 2: Convert to fraction form
    220,435.86/304,209.36 = 135,536.52/x
  3. Step 3: Cross multiply
    220,435.86x = 304,209.36 × 135,536.52
  4. Step 4: Simplify right side
    220,435.86x = 41,231,478,005.83
  5. Step 5: Solve for x
    x = 41,231,478,005.83/220,435.86
  6. Step 6: Final answer
    x = 187,045.24

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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.