Home / 351,263.52-484,755.41-215,271.20

Finding the Fourth Proportional to 351,263.52, 484,755.41 and 215,271.20

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Solution

The fourth proportional to 351,263.52, 484,755.41 and 215,271.20 is: 297,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,263.52 : 484,755.41 = 215,271.20 : x
  2. Step 2: Convert to fraction form
    351,263.52/484,755.41 = 215,271.20/x
  3. Step 3: Cross multiply
    351,263.52x = 484,755.41 × 215,271.20
  4. Step 4: Simplify right side
    351,263.52x = 104,353,878,817.19
  5. Step 5: Solve for x
    x = 104,353,878,817.19/351,263.52
  6. Step 6: Final answer
    x = 297,081.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.