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Finding the Fourth Proportional to 284,601.51, 426,604.73 and 134,663.20

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Solution

The fourth proportional to 284,601.51, 426,604.73 and 134,663.20 is: 201,854.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,601.51 : 426,604.73 = 134,663.20 : x
  2. Step 2: Convert to fraction form
    284,601.51/426,604.73 = 134,663.20/x
  3. Step 3: Cross multiply
    284,601.51x = 426,604.73 × 134,663.20
  4. Step 4: Simplify right side
    284,601.51x = 57,447,956,337.11
  5. Step 5: Solve for x
    x = 57,447,956,337.11/284,601.51
  6. Step 6: Final answer
    x = 201,854.01

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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.