Home / 912,222.68-1,368,414.20-238,298.64

Finding the Fourth Proportional to 912,222.68, 1,368,414.20 and 238,298.64

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Solution

The fourth proportional to 912,222.68, 1,368,414.20 and 238,298.64 is: 357,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,222.68 : 1,368,414.20 = 238,298.64 : x
  2. Step 2: Convert to fraction form
    912,222.68/1,368,414.20 = 238,298.64/x
  3. Step 3: Cross multiply
    912,222.68x = 1,368,414.20 × 238,298.64
  4. Step 4: Simplify right side
    912,222.68x = 326,091,242,816.69
  5. Step 5: Solve for x
    x = 326,091,242,816.69/912,222.68
  6. Step 6: Final answer
    x = 357,468.91

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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.