Home / 230,890.40-346,627.20-124,359.20

Finding the Fourth Proportional to 230,890.40, 346,627.20 and 124,359.20

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Solution

The fourth proportional to 230,890.40, 346,627.20 and 124,359.20 is: 186,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,890.40 : 346,627.20 = 124,359.20 : x
  2. Step 2: Convert to fraction form
    230,890.40/346,627.20 = 124,359.20/x
  3. Step 3: Cross multiply
    230,890.40x = 346,627.20 × 124,359.20
  4. Step 4: Simplify right side
    230,890.40x = 43,106,281,290.24
  5. Step 5: Solve for x
    x = 43,106,281,290.24/230,890.40
  6. Step 6: Final answer
    x = 186,695.86

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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.