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Finding the Fourth Proportional to 176,184.40, 264,276.60 and 65,419.60

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Solution

The fourth proportional to 176,184.40, 264,276.60 and 65,419.60 is: 98,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,184.40 : 264,276.60 = 65,419.60 : x
  2. Step 2: Convert to fraction form
    176,184.40/264,276.60 = 65,419.60/x
  3. Step 3: Cross multiply
    176,184.40x = 264,276.60 × 65,419.60
  4. Step 4: Simplify right side
    176,184.40x = 17,288,869,461.36
  5. Step 5: Solve for x
    x = 17,288,869,461.36/176,184.40
  6. Step 6: Final answer
    x = 98,129.40

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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.