Home / 384,325.56-576,549.78-162,742.20

Finding the Fourth Proportional to 384,325.56, 576,549.78 and 162,742.20

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Solution

The fourth proportional to 384,325.56, 576,549.78 and 162,742.20 is: 244,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,325.56 : 576,549.78 = 162,742.20 : x
  2. Step 2: Convert to fraction form
    384,325.56/576,549.78 = 162,742.20/x
  3. Step 3: Cross multiply
    384,325.56x = 576,549.78 × 162,742.20
  4. Step 4: Simplify right side
    384,325.56x = 93,828,979,606.72
  5. Step 5: Solve for x
    x = 93,828,979,606.72/384,325.56
  6. Step 6: Final answer
    x = 244,139.32

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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.