Home / 218,394.03-301,359.02-122,898.27

Finding the Fourth Proportional to 218,394.03, 301,359.02 and 122,898.27

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Solution

The fourth proportional to 218,394.03, 301,359.02 and 122,898.27 is: 169,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,394.03 : 301,359.02 = 122,898.27 : x
  2. Step 2: Convert to fraction form
    218,394.03/301,359.02 = 122,898.27/x
  3. Step 3: Cross multiply
    218,394.03x = 301,359.02 × 122,898.27
  4. Step 4: Simplify right side
    218,394.03x = 37,036,501,592.40
  5. Step 5: Solve for x
    x = 37,036,501,592.40/218,394.03
  6. Step 6: Final answer
    x = 169,585.69

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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.