Home / 229,466.72-344,148.16-87,261.28

Finding the Fourth Proportional to 229,466.72, 344,148.16 and 87,261.28

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Solution

The fourth proportional to 229,466.72, 344,148.16 and 87,261.28 is: 130,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,466.72 : 344,148.16 = 87,261.28 : x
  2. Step 2: Convert to fraction form
    229,466.72/344,148.16 = 87,261.28/x
  3. Step 3: Cross multiply
    229,466.72x = 344,148.16 × 87,261.28
  4. Step 4: Simplify right side
    229,466.72x = 30,030,808,951.24
  5. Step 5: Solve for x
    x = 30,030,808,951.24/229,466.72
  6. Step 6: Final answer
    x = 130,872.18

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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.