Home / 317,941.32-438,769.80-174,706.50

Finding the Fourth Proportional to 317,941.32, 438,769.80 and 174,706.50

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Solution

The fourth proportional to 317,941.32, 438,769.80 and 174,706.50 is: 241,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,941.32 : 438,769.80 = 174,706.50 : x
  2. Step 2: Convert to fraction form
    317,941.32/438,769.80 = 174,706.50/x
  3. Step 3: Cross multiply
    317,941.32x = 438,769.80 × 174,706.50
  4. Step 4: Simplify right side
    317,941.32x = 76,655,936,063.70
  5. Step 5: Solve for x
    x = 76,655,936,063.70/317,941.32
  6. Step 6: Final answer
    x = 241,100.89

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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.