Home / 432,315.08-648,868.13-219,230.07

Finding the Fourth Proportional to 432,315.08, 648,868.13 and 219,230.07

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Solution

The fourth proportional to 432,315.08, 648,868.13 and 219,230.07 is: 329,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,315.08 : 648,868.13 = 219,230.07 : x
  2. Step 2: Convert to fraction form
    432,315.08/648,868.13 = 219,230.07/x
  3. Step 3: Cross multiply
    432,315.08x = 648,868.13 × 219,230.07
  4. Step 4: Simplify right side
    432,315.08x = 142,251,406,108.74
  5. Step 5: Solve for x
    x = 142,251,406,108.74/432,315.08
  6. Step 6: Final answer
    x = 329,045.67

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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.