Home / 290,176.48-434,927.76-165,604.96

Finding the Fourth Proportional to 290,176.48, 434,927.76 and 165,604.96

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Solution

The fourth proportional to 290,176.48, 434,927.76 and 165,604.96 is: 248,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,176.48 : 434,927.76 = 165,604.96 : x
  2. Step 2: Convert to fraction form
    290,176.48/434,927.76 = 165,604.96/x
  3. Step 3: Cross multiply
    290,176.48x = 434,927.76 × 165,604.96
  4. Step 4: Simplify right side
    290,176.48x = 72,026,194,297.69
  5. Step 5: Solve for x
    x = 72,026,194,297.69/290,176.48
  6. Step 6: Final answer
    x = 248,215.14

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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.