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Finding the Fourth Proportional to 318,003.32, 438,852.66 and 174,767

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Solution

The fourth proportional to 318,003.32, 438,852.66 and 174,767 is: 241,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,003.32 : 438,852.66 = 174,767 : x
  2. Step 2: Convert to fraction form
    318,003.32/438,852.66 = 174,767/x
  3. Step 3: Cross multiply
    318,003.32x = 438,852.66 × 174,767
  4. Step 4: Simplify right side
    318,003.32x = 76,696,962,830.22
  5. Step 5: Solve for x
    x = 76,696,962,830.22/318,003.32
  6. Step 6: Final answer
    x = 241,182.90

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1.5x scale

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.