Home / 369,918.31-554,902.07-130,003.20

Finding the Fourth Proportional to 369,918.31, 554,902.07 and 130,003.20

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Solution

The fourth proportional to 369,918.31, 554,902.07 and 130,003.20 is: 195,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,918.31 : 554,902.07 = 130,003.20 : x
  2. Step 2: Convert to fraction form
    369,918.31/554,902.07 = 130,003.20/x
  3. Step 3: Cross multiply
    369,918.31x = 554,902.07 × 130,003.20
  4. Step 4: Simplify right side
    369,918.31x = 72,139,044,786.62
  5. Step 5: Solve for x
    x = 72,139,044,786.62/369,918.31
  6. Step 6: Final answer
    x = 195,013.45

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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.