Home / 264,420.20-396,047.10-159,055.40

Finding the Fourth Proportional to 264,420.20, 396,047.10 and 159,055.40

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Solution

The fourth proportional to 264,420.20, 396,047.10 and 159,055.40 is: 238,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,420.20 : 396,047.10 = 159,055.40 : x
  2. Step 2: Convert to fraction form
    264,420.20/396,047.10 = 159,055.40/x
  3. Step 3: Cross multiply
    264,420.20x = 396,047.10 × 159,055.40
  4. Step 4: Simplify right side
    264,420.20x = 62,993,429,909.34
  5. Step 5: Solve for x
    x = 62,993,429,909.34/264,420.20
  6. Step 6: Final answer
    x = 238,232.29

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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.