Home / 318,529.35-439,559.33-175,285.71

Finding the Fourth Proportional to 318,529.35, 439,559.33 and 175,285.71

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Solution

The fourth proportional to 318,529.35, 439,559.33 and 175,285.71 is: 241,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,529.35 : 439,559.33 = 175,285.71 : x
  2. Step 2: Convert to fraction form
    318,529.35/439,559.33 = 175,285.71/x
  3. Step 3: Cross multiply
    318,529.35x = 439,559.33 × 175,285.71
  4. Step 4: Simplify right side
    318,529.35x = 77,048,468,369.75
  5. Step 5: Solve for x
    x = 77,048,468,369.75/318,529.35
  6. Step 6: Final answer
    x = 241,888.13

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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.