Home / 281,827.20-423,116.10-163,583.40

Finding the Fourth Proportional to 281,827.20, 423,116.10 and 163,583.40

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Solution

The fourth proportional to 281,827.20, 423,116.10 and 163,583.40 is: 245,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,827.20 : 423,116.10 = 163,583.40 : x
  2. Step 2: Convert to fraction form
    281,827.20/423,116.10 = 163,583.40/x
  3. Step 3: Cross multiply
    281,827.20x = 423,116.10 × 163,583.40
  4. Step 4: Simplify right side
    281,827.20x = 69,214,770,232.74
  5. Step 5: Solve for x
    x = 69,214,770,232.74/281,827.20
  6. Step 6: Final answer
    x = 245,592.94

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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.