Home / 240,632.16-360,823.66-128,282.20

Finding the Fourth Proportional to 240,632.16, 360,823.66 and 128,282.20

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Solution

The fourth proportional to 240,632.16, 360,823.66 and 128,282.20 is: 192,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,632.16 : 360,823.66 = 128,282.20 : x
  2. Step 2: Convert to fraction form
    240,632.16/360,823.66 = 128,282.20/x
  3. Step 3: Cross multiply
    240,632.16x = 360,823.66 × 128,282.20
  4. Step 4: Simplify right side
    240,632.16x = 46,287,252,916.85
  5. Step 5: Solve for x
    x = 46,287,252,916.85/240,632.16
  6. Step 6: Final answer
    x = 192,356.89

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1.5x scale

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.