Home / 410,822.40-616,233.60-130,339.65

Finding the Fourth Proportional to 410,822.40, 616,233.60 and 130,339.65

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Solution

The fourth proportional to 410,822.40, 616,233.60 and 130,339.65 is: 195,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,822.40 : 616,233.60 = 130,339.65 : x
  2. Step 2: Convert to fraction form
    410,822.40/616,233.60 = 130,339.65/x
  3. Step 3: Cross multiply
    410,822.40x = 616,233.60 × 130,339.65
  4. Step 4: Simplify right side
    410,822.40x = 80,319,671,742.24
  5. Step 5: Solve for x
    x = 80,319,671,742.24/410,822.40
  6. Step 6: Final answer
    x = 195,509.48

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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.