Home / 318,584.89-439,643.80-175,341.86

Finding the Fourth Proportional to 318,584.89, 439,643.80 and 175,341.86

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Solution

The fourth proportional to 318,584.89, 439,643.80 and 175,341.86 is: 241,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,584.89 : 439,643.80 = 175,341.86 : x
  2. Step 2: Convert to fraction form
    318,584.89/439,643.80 = 175,341.86/x
  3. Step 3: Cross multiply
    318,584.89x = 439,643.80 × 175,341.86
  4. Step 4: Simplify right side
    318,584.89x = 77,087,961,629.47
  5. Step 5: Solve for x
    x = 77,087,961,629.47/318,584.89
  6. Step 6: Final answer
    x = 241,969.92

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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.