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Finding the Fourth Proportional to 176,031.40, 264,044.70 and 57,706.60

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Solution

The fourth proportional to 176,031.40, 264,044.70 and 57,706.60 is: 86,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,031.40 : 264,044.70 = 57,706.60 : x
  2. Step 2: Convert to fraction form
    176,031.40/264,044.70 = 57,706.60/x
  3. Step 3: Cross multiply
    176,031.40x = 264,044.70 × 57,706.60
  4. Step 4: Simplify right side
    176,031.40x = 15,237,121,885.02
  5. Step 5: Solve for x
    x = 15,237,121,885.02/176,031.40
  6. Step 6: Final answer
    x = 86,559.11

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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.