Home / 240,829.23-361,139.13-128,484.39

Finding the Fourth Proportional to 240,829.23, 361,139.13 and 128,484.39

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Solution

The fourth proportional to 240,829.23, 361,139.13 and 128,484.39 is: 192,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,829.23 : 361,139.13 = 128,484.39 : x
  2. Step 2: Convert to fraction form
    240,829.23/361,139.13 = 128,484.39/x
  3. Step 3: Cross multiply
    240,829.23x = 361,139.13 × 128,484.39
  4. Step 4: Simplify right side
    240,829.23x = 46,400,740,823.18
  5. Step 5: Solve for x
    x = 46,400,740,823.18/240,829.23
  6. Step 6: Final answer
    x = 192,670.72

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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.