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Finding the Fourth Proportional to 176,464.40, 264,307.80 and 156,765.20

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Solution

The fourth proportional to 176,464.40, 264,307.80 and 156,765.20 is: 234,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,464.40 : 264,307.80 = 156,765.20 : x
  2. Step 2: Convert to fraction form
    176,464.40/264,307.80 = 156,765.20/x
  3. Step 3: Cross multiply
    176,464.40x = 264,307.80 × 156,765.20
  4. Step 4: Simplify right side
    176,464.40x = 41,434,265,128.56
  5. Step 5: Solve for x
    x = 41,434,265,128.56/176,464.40
  6. Step 6: Final answer
    x = 234,802.40

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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.