Home / 434,480.10-651,720.15-210,012.90

Finding the Fourth Proportional to 434,480.10, 651,720.15 and 210,012.90

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Solution

The fourth proportional to 434,480.10, 651,720.15 and 210,012.90 is: 315,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,480.10 : 651,720.15 = 210,012.90 : x
  2. Step 2: Convert to fraction form
    434,480.10/651,720.15 = 210,012.90/x
  3. Step 3: Cross multiply
    434,480.10x = 651,720.15 × 210,012.90
  4. Step 4: Simplify right side
    434,480.10x = 136,869,638,689.94
  5. Step 5: Solve for x
    x = 136,869,638,689.94/434,480.10
  6. Step 6: Final answer
    x = 315,019.35

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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.