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Finding the Fourth Proportional to 242,846.88, 335,130.60 and 135,423.87

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Solution

The fourth proportional to 242,846.88, 335,130.60 and 135,423.87 is: 186,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,846.88 : 335,130.60 = 135,423.87 : x
  2. Step 2: Convert to fraction form
    242,846.88/335,130.60 = 135,423.87/x
  3. Step 3: Cross multiply
    242,846.88x = 335,130.60 × 135,423.87
  4. Step 4: Simplify right side
    242,846.88x = 45,384,682,807.42
  5. Step 5: Solve for x
    x = 45,384,682,807.42/242,846.88
  6. Step 6: Final answer
    x = 186,886.00

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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.