Home / 321,347.32-482,088.40-96,724.18

Finding the Fourth Proportional to 321,347.32, 482,088.40 and 96,724.18

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Solution

The fourth proportional to 321,347.32, 482,088.40 and 96,724.18 is: 145,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,347.32 : 482,088.40 = 96,724.18 : x
  2. Step 2: Convert to fraction form
    321,347.32/482,088.40 = 96,724.18/x
  3. Step 3: Cross multiply
    321,347.32x = 482,088.40 × 96,724.18
  4. Step 4: Simplify right side
    321,347.32x = 46,629,605,177.51
  5. Step 5: Solve for x
    x = 46,629,605,177.51/321,347.32
  6. Step 6: Final answer
    x = 145,106.56

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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.