Home / 438,126.35-604,632.74-247,139.69

Finding the Fourth Proportional to 438,126.35, 604,632.74 and 247,139.69

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Solution

The fourth proportional to 438,126.35, 604,632.74 and 247,139.69 is: 341,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,126.35 : 604,632.74 = 247,139.69 : x
  2. Step 2: Convert to fraction form
    438,126.35/604,632.74 = 247,139.69/x
  3. Step 3: Cross multiply
    438,126.35x = 604,632.74 × 247,139.69
  4. Step 4: Simplify right side
    438,126.35x = 149,428,743,668.59
  5. Step 5: Solve for x
    x = 149,428,743,668.59/438,126.35
  6. Step 6: Final answer
    x = 341,063.13

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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.