Home / 422,979.81-583,749.03-232,030.10

Finding the Fourth Proportional to 422,979.81, 583,749.03 and 232,030.10

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Solution

The fourth proportional to 422,979.81, 583,749.03 and 232,030.10 is: 320,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,979.81 : 583,749.03 = 232,030.10 : x
  2. Step 2: Convert to fraction form
    422,979.81/583,749.03 = 232,030.10/x
  3. Step 3: Cross multiply
    422,979.81x = 583,749.03 × 232,030.10
  4. Step 4: Simplify right side
    422,979.81x = 135,447,342,887.06
  5. Step 5: Solve for x
    x = 135,447,342,887.06/422,979.81
  6. Step 6: Final answer
    x = 320,221.77

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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.