Home / 400,979.99-553,325.02-235,462.43

Finding the Fourth Proportional to 400,979.99, 553,325.02 and 235,462.43

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Solution

The fourth proportional to 400,979.99, 553,325.02 and 235,462.43 is: 324,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,979.99 : 553,325.02 = 235,462.43 : x
  2. Step 2: Convert to fraction form
    400,979.99/553,325.02 = 235,462.43/x
  3. Step 3: Cross multiply
    400,979.99x = 553,325.02 × 235,462.43
  4. Step 4: Simplify right side
    400,979.99x = 130,287,250,433.72
  5. Step 5: Solve for x
    x = 130,287,250,433.72/400,979.99
  6. Step 6: Final answer
    x = 324,922.08

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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.