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Finding the Fourth Proportional to 220,854, 304,779.93 and 125,362.29

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Solution

The fourth proportional to 220,854, 304,779.93 and 125,362.29 is: 173,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,854 : 304,779.93 = 125,362.29 : x
  2. Step 2: Convert to fraction form
    220,854/304,779.93 = 125,362.29/x
  3. Step 3: Cross multiply
    220,854x = 304,779.93 × 125,362.29
  4. Step 4: Simplify right side
    220,854x = 38,207,909,970.84
  5. Step 5: Solve for x
    x = 38,207,909,970.84/220,854
  6. Step 6: Final answer
    x = 173,000.76

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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.