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Finding the Fourth Proportional to 237,981.94, 328,394.16 and 135,987.16

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Solution

The fourth proportional to 237,981.94, 328,394.16 and 135,987.16 is: 187,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,981.94 : 328,394.16 = 135,987.16 : x
  2. Step 2: Convert to fraction form
    237,981.94/328,394.16 = 135,987.16/x
  3. Step 3: Cross multiply
    237,981.94x = 328,394.16 × 135,987.16
  4. Step 4: Simplify right side
    237,981.94x = 44,657,389,178.99
  5. Step 5: Solve for x
    x = 44,657,389,178.99/237,981.94
  6. Step 6: Final answer
    x = 187,650.33

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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.