Home / 434,876.46-651,779.28-207,291.75

Finding the Fourth Proportional to 434,876.46, 651,779.28 and 207,291.75

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Solution

The fourth proportional to 434,876.46, 651,779.28 and 207,291.75 is: 310,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,876.46 : 651,779.28 = 207,291.75 : x
  2. Step 2: Convert to fraction form
    434,876.46/651,779.28 = 207,291.75/x
  3. Step 3: Cross multiply
    434,876.46x = 651,779.28 × 207,291.75
  4. Step 4: Simplify right side
    434,876.46x = 135,108,467,564.94
  5. Step 5: Solve for x
    x = 135,108,467,564.94/434,876.46
  6. Step 6: Final answer
    x = 310,682.41

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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.