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Finding the Fourth Proportional to 371,182.79, 512,233.61 and 201,416.91

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Solution

The fourth proportional to 371,182.79, 512,233.61 and 201,416.91 is: 277,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,182.79 : 512,233.61 = 201,416.91 : x
  2. Step 2: Convert to fraction form
    371,182.79/512,233.61 = 201,416.91/x
  3. Step 3: Cross multiply
    371,182.79x = 512,233.61 × 201,416.91
  4. Step 4: Simplify right side
    371,182.79x = 103,172,510,924.35
  5. Step 5: Solve for x
    x = 103,172,510,924.35/371,182.79
  6. Step 6: Final answer
    x = 277,956.07

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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.