Home / 330,512.56-456,071.52-187,270

Finding the Fourth Proportional to 330,512.56, 456,071.52 and 187,270

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Solution

The fourth proportional to 330,512.56, 456,071.52 and 187,270 is: 258,412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,512.56 : 456,071.52 = 187,270 : x
  2. Step 2: Convert to fraction form
    330,512.56/456,071.52 = 187,270/x
  3. Step 3: Cross multiply
    330,512.56x = 456,071.52 × 187,270
  4. Step 4: Simplify right side
    330,512.56x = 85,408,513,550.40
  5. Step 5: Solve for x
    x = 85,408,513,550.40/330,512.56
  6. Step 6: Final answer
    x = 258,412.31

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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.