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Finding the Fourth Proportional to 207,973.04, 287,002.85 and 117,348.21

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Solution

The fourth proportional to 207,973.04, 287,002.85 and 117,348.21 is: 161,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,973.04 : 287,002.85 = 117,348.21 : x
  2. Step 2: Convert to fraction form
    207,973.04/287,002.85 = 117,348.21/x
  3. Step 3: Cross multiply
    207,973.04x = 287,002.85 × 117,348.21
  4. Step 4: Simplify right side
    207,973.04x = 33,679,270,125.66
  5. Step 5: Solve for x
    x = 33,679,270,125.66/207,973.04
  6. Step 6: Final answer
    x = 161,940.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.