Home / 281,730.10-423,032.55-163,632.10

Finding the Fourth Proportional to 281,730.10, 423,032.55 and 163,632.10

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Solution

The fourth proportional to 281,730.10, 423,032.55 and 163,632.10 is: 245,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,730.10 : 423,032.55 = 163,632.10 : x
  2. Step 2: Convert to fraction form
    281,730.10/423,032.55 = 163,632.10/x
  3. Step 3: Cross multiply
    281,730.10x = 423,032.55 × 163,632.10
  4. Step 4: Simplify right side
    281,730.10x = 69,221,704,524.86
  5. Step 5: Solve for x
    x = 69,221,704,524.86/281,730.10
  6. Step 6: Final answer
    x = 245,702.20

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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.