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Finding the Fourth Proportional to 117,472.40, 176,208.60 and 38,567.60

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Solution

The fourth proportional to 117,472.40, 176,208.60 and 38,567.60 is: 57,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,472.40 : 176,208.60 = 38,567.60 : x
  2. Step 2: Convert to fraction form
    117,472.40/176,208.60 = 38,567.60/x
  3. Step 3: Cross multiply
    117,472.40x = 176,208.60 × 38,567.60
  4. Step 4: Simplify right side
    117,472.40x = 6,795,942,801.36
  5. Step 5: Solve for x
    x = 6,795,942,801.36/117,472.40
  6. Step 6: Final answer
    x = 57,851.40

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1.5x scale

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.