Home / 542,485.05-812,131.29-362,123.10

Finding the Fourth Proportional to 542,485.05, 812,131.29 and 362,123.10

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Solution

The fourth proportional to 542,485.05, 812,131.29 and 362,123.10 is: 542,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,485.05 : 812,131.29 = 362,123.10 : x
  2. Step 2: Convert to fraction form
    542,485.05/812,131.29 = 362,123.10/x
  3. Step 3: Cross multiply
    542,485.05x = 812,131.29 × 362,123.10
  4. Step 4: Simplify right side
    542,485.05x = 294,091,500,341.80
  5. Step 5: Solve for x
    x = 294,091,500,341.80/542,485.05
  6. Step 6: Final answer
    x = 542,119.09

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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.