Home / 912,113.20-1,368,045.60-238,247.20

Finding the Fourth Proportional to 912,113.20, 1,368,045.60 and 238,247.20

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Solution

The fourth proportional to 912,113.20, 1,368,045.60 and 238,247.20 is: 357,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,113.20 : 1,368,045.60 = 238,247.20 : x
  2. Step 2: Convert to fraction form
    912,113.20/1,368,045.60 = 238,247.20/x
  3. Step 3: Cross multiply
    912,113.20x = 1,368,045.60 × 238,247.20
  4. Step 4: Simplify right side
    912,113.20x = 325,933,033,672.32
  5. Step 5: Solve for x
    x = 325,933,033,672.32/912,113.20
  6. Step 6: Final answer
    x = 357,338.36

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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.