Home / 228,501.12-342,305.28-157,411.20

Finding the Fourth Proportional to 228,501.12, 342,305.28 and 157,411.20

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Solution

The fourth proportional to 228,501.12, 342,305.28 and 157,411.20 is: 235,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,501.12 : 342,305.28 = 157,411.20 : x
  2. Step 2: Convert to fraction form
    228,501.12/342,305.28 = 157,411.20/x
  3. Step 3: Cross multiply
    228,501.12x = 342,305.28 × 157,411.20
  4. Step 4: Simplify right side
    228,501.12x = 53,882,684,891.14
  5. Step 5: Solve for x
    x = 53,882,684,891.14/228,501.12
  6. Step 6: Final answer
    x = 235,809.28

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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.