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Finding the Fourth Proportional to 240,632.60, 360,824.28 and 128,282.63

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Solution

The fourth proportional to 240,632.60, 360,824.28 and 128,282.63 is: 192,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,632.60 : 360,824.28 = 128,282.63 : x
  2. Step 2: Convert to fraction form
    240,632.60/360,824.28 = 128,282.63/x
  3. Step 3: Cross multiply
    240,632.60x = 360,824.28 × 128,282.63
  4. Step 4: Simplify right side
    240,632.60x = 46,287,485,802.14
  5. Step 5: Solve for x
    x = 46,287,485,802.14/240,632.60
  6. Step 6: Final answer
    x = 192,357.51

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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.