Home / 305,848.60-458,554.20-137,230.90

Finding the Fourth Proportional to 305,848.60, 458,554.20 and 137,230.90

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Solution

The fourth proportional to 305,848.60, 458,554.20 and 137,230.90 is: 205,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,848.60 : 458,554.20 = 137,230.90 : x
  2. Step 2: Convert to fraction form
    305,848.60/458,554.20 = 137,230.90/x
  3. Step 3: Cross multiply
    305,848.60x = 458,554.20 × 137,230.90
  4. Step 4: Simplify right side
    305,848.60x = 62,927,805,564.78
  5. Step 5: Solve for x
    x = 62,927,805,564.78/305,848.60
  6. Step 6: Final answer
    x = 205,748.22

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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.