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Finding the Fourth Proportional to 284,256.51, 426,378.92 and 94,730.64

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Solution

The fourth proportional to 284,256.51, 426,378.92 and 94,730.64 is: 142,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,256.51 : 426,378.92 = 94,730.64 : x
  2. Step 2: Convert to fraction form
    284,256.51/426,378.92 = 94,730.64/x
  3. Step 3: Cross multiply
    284,256.51x = 426,378.92 × 94,730.64
  4. Step 4: Simplify right side
    284,256.51x = 40,391,147,500.46
  5. Step 5: Solve for x
    x = 40,391,147,500.46/284,256.51
  6. Step 6: Final answer
    x = 142,094.01

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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.