Home / 318,326.20-439,298.46-175,090

Finding the Fourth Proportional to 318,326.20, 439,298.46 and 175,090

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Solution

The fourth proportional to 318,326.20, 439,298.46 and 175,090 is: 241,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,326.20 : 439,298.46 = 175,090 : x
  2. Step 2: Convert to fraction form
    318,326.20/439,298.46 = 175,090/x
  3. Step 3: Cross multiply
    318,326.20x = 439,298.46 × 175,090
  4. Step 4: Simplify right side
    318,326.20x = 76,916,767,361.40
  5. Step 5: Solve for x
    x = 76,916,767,361.40/318,326.20
  6. Step 6: Final answer
    x = 241,628.77

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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.