Home / 317,713.75-438,543.39-204,536.50

Finding the Fourth Proportional to 317,713.75, 438,543.39 and 204,536.50

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Solution

The fourth proportional to 317,713.75, 438,543.39 and 204,536.50 is: 282,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,713.75 : 438,543.39 = 204,536.50 : x
  2. Step 2: Convert to fraction form
    317,713.75/438,543.39 = 204,536.50/x
  3. Step 3: Cross multiply
    317,713.75x = 438,543.39 × 204,536.50
  4. Step 4: Simplify right side
    317,713.75x = 89,698,130,088.74
  5. Step 5: Solve for x
    x = 89,698,130,088.74/317,713.75
  6. Step 6: Final answer
    x = 282,323.73

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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.