Home / 425,195.07-586,749.75-243,895.59

Finding the Fourth Proportional to 425,195.07, 586,749.75 and 243,895.59

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Solution

The fourth proportional to 425,195.07, 586,749.75 and 243,895.59 is: 336,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,195.07 : 586,749.75 = 243,895.59 : x
  2. Step 2: Convert to fraction form
    425,195.07/586,749.75 = 243,895.59/x
  3. Step 3: Cross multiply
    425,195.07x = 586,749.75 × 243,895.59
  4. Step 4: Simplify right side
    425,195.07x = 143,105,676,458.60
  5. Step 5: Solve for x
    x = 143,105,676,458.60/425,195.07
  6. Step 6: Final answer
    x = 336,564.76

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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.