Home / 425,308.08-586,923.40-231,715.25

Finding the Fourth Proportional to 425,308.08, 586,923.40 and 231,715.25

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Solution

The fourth proportional to 425,308.08, 586,923.40 and 231,715.25 is: 319,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,308.08 : 586,923.40 = 231,715.25 : x
  2. Step 2: Convert to fraction form
    425,308.08/586,923.40 = 231,715.25/x
  3. Step 3: Cross multiply
    425,308.08x = 586,923.40 × 231,715.25
  4. Step 4: Simplify right side
    425,308.08x = 135,999,101,917.84
  5. Step 5: Solve for x
    x = 135,999,101,917.84/425,308.08
  6. Step 6: Final answer
    x = 319,766.09

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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.