Home / 320,848.50-442,887.76-186,712.50

Finding the Fourth Proportional to 320,848.50, 442,887.76 and 186,712.50

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Solution

The fourth proportional to 320,848.50, 442,887.76 and 186,712.50 is: 257,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,848.50 : 442,887.76 = 186,712.50 : x
  2. Step 2: Convert to fraction form
    320,848.50/442,887.76 = 186,712.50/x
  3. Step 3: Cross multiply
    320,848.50x = 442,887.76 × 186,712.50
  4. Step 4: Simplify right side
    320,848.50x = 82,692,680,889
  5. Step 5: Solve for x
    x = 82,692,680,889/320,848.50
  6. Step 6: Final answer
    x = 257,731.24

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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.