Home / 295,290.66-442,972.53-105,771.36

Finding the Fourth Proportional to 295,290.66, 442,972.53 and 105,771.36

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Solution

The fourth proportional to 295,290.66, 442,972.53 and 105,771.36 is: 158,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,290.66 : 442,972.53 = 105,771.36 : x
  2. Step 2: Convert to fraction form
    295,290.66/442,972.53 = 105,771.36/x
  3. Step 3: Cross multiply
    295,290.66x = 442,972.53 × 105,771.36
  4. Step 4: Simplify right side
    295,290.66x = 46,853,806,940.74
  5. Step 5: Solve for x
    x = 46,853,806,940.74/295,290.66
  6. Step 6: Final answer
    x = 158,670.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.