Home / 427,569.30-641,390.67-112,026.24

Finding the Fourth Proportional to 427,569.30, 641,390.67 and 112,026.24

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Solution

The fourth proportional to 427,569.30, 641,390.67 and 112,026.24 is: 168,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,569.30 : 641,390.67 = 112,026.24 : x
  2. Step 2: Convert to fraction form
    427,569.30/641,390.67 = 112,026.24/x
  3. Step 3: Cross multiply
    427,569.30x = 641,390.67 × 112,026.24
  4. Step 4: Simplify right side
    427,569.30x = 71,852,585,131.18
  5. Step 5: Solve for x
    x = 71,852,585,131.18/427,569.30
  6. Step 6: Final answer
    x = 168,048.98

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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.