Home / 295,215.40-442,823.10-275,386.60

Finding the Fourth Proportional to 295,215.40, 442,823.10 and 275,386.60

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Solution

The fourth proportional to 295,215.40, 442,823.10 and 275,386.60 is: 413,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,215.40 : 442,823.10 = 275,386.60 : x
  2. Step 2: Convert to fraction form
    295,215.40/442,823.10 = 275,386.60/x
  3. Step 3: Cross multiply
    295,215.40x = 442,823.10 × 275,386.60
  4. Step 4: Simplify right side
    295,215.40x = 121,947,547,910.46
  5. Step 5: Solve for x
    x = 121,947,547,910.46/295,215.40
  6. Step 6: Final answer
    x = 413,079.90

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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.