Home / 399,188.04-550,865.70-237,960

Finding the Fourth Proportional to 399,188.04, 550,865.70 and 237,960

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Solution

The fourth proportional to 399,188.04, 550,865.70 and 237,960 is: 328,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,188.04 : 550,865.70 = 237,960 : x
  2. Step 2: Convert to fraction form
    399,188.04/550,865.70 = 237,960/x
  3. Step 3: Cross multiply
    399,188.04x = 550,865.70 × 237,960
  4. Step 4: Simplify right side
    399,188.04x = 131,084,001,972.00
  5. Step 5: Solve for x
    x = 131,084,001,972.00/399,188.04
  6. Step 6: Final answer
    x = 328,376.58

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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.