Home / 283,061.75-390,202.58-187,402.37

Finding the Fourth Proportional to 283,061.75, 390,202.58 and 187,402.37

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Solution

The fourth proportional to 283,061.75, 390,202.58 and 187,402.37 is: 258,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,061.75 : 390,202.58 = 187,402.37 : x
  2. Step 2: Convert to fraction form
    283,061.75/390,202.58 = 187,402.37/x
  3. Step 3: Cross multiply
    283,061.75x = 390,202.58 × 187,402.37
  4. Step 4: Simplify right side
    283,061.75x = 73,124,886,789.61
  5. Step 5: Solve for x
    x = 73,124,886,789.61/283,061.75
  6. Step 6: Final answer
    x = 258,335.46

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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.