Home / 353,327.49-487,547.76-238,855.14

Finding the Fourth Proportional to 353,327.49, 487,547.76 and 238,855.14

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Solution

The fourth proportional to 353,327.49, 487,547.76 and 238,855.14 is: 329,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,327.49 : 487,547.76 = 238,855.14 : x
  2. Step 2: Convert to fraction form
    353,327.49/487,547.76 = 238,855.14/x
  3. Step 3: Cross multiply
    353,327.49x = 487,547.76 × 238,855.14
  4. Step 4: Simplify right side
    353,327.49x = 116,453,288,471.49
  5. Step 5: Solve for x
    x = 116,453,288,471.49/353,327.49
  6. Step 6: Final answer
    x = 329,590.23

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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.