Home / 229,433.43-316,647.32-138,790.04

Finding the Fourth Proportional to 229,433.43, 316,647.32 and 138,790.04

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Solution

The fourth proportional to 229,433.43, 316,647.32 and 138,790.04 is: 191,547.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,433.43 : 316,647.32 = 138,790.04 : x
  2. Step 2: Convert to fraction form
    229,433.43/316,647.32 = 138,790.04/x
  3. Step 3: Cross multiply
    229,433.43x = 316,647.32 × 138,790.04
  4. Step 4: Simplify right side
    229,433.43x = 43,947,494,555.67
  5. Step 5: Solve for x
    x = 43,947,494,555.67/229,433.43
  6. Step 6: Final answer
    x = 191,547.92

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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.