Home / 229,870.02-344,801.56-103,420.97

Finding the Fourth Proportional to 229,870.02, 344,801.56 and 103,420.97

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Solution

The fourth proportional to 229,870.02, 344,801.56 and 103,420.97 is: 155,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,870.02 : 344,801.56 = 103,420.97 : x
  2. Step 2: Convert to fraction form
    229,870.02/344,801.56 = 103,420.97/x
  3. Step 3: Cross multiply
    229,870.02x = 344,801.56 × 103,420.97
  4. Step 4: Simplify right side
    229,870.02x = 35,659,711,792.71
  5. Step 5: Solve for x
    x = 35,659,711,792.71/229,870.02
  6. Step 6: Final answer
    x = 155,129.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.