Home / 347,749.40-521,624.10-161,125.40

Finding the Fourth Proportional to 347,749.40, 521,624.10 and 161,125.40

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Solution

The fourth proportional to 347,749.40, 521,624.10 and 161,125.40 is: 241,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,749.40 : 521,624.10 = 161,125.40 : x
  2. Step 2: Convert to fraction form
    347,749.40/521,624.10 = 161,125.40/x
  3. Step 3: Cross multiply
    347,749.40x = 521,624.10 × 161,125.40
  4. Step 4: Simplify right side
    347,749.40x = 84,046,891,762.14
  5. Step 5: Solve for x
    x = 84,046,891,762.14/347,749.40
  6. Step 6: Final answer
    x = 241,688.10

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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.