Home / 351,263.15-484,754.87-215,270.81

Finding the Fourth Proportional to 351,263.15, 484,754.87 and 215,270.81

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Solution

The fourth proportional to 351,263.15, 484,754.87 and 215,270.81 is: 297,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,263.15 : 484,754.87 = 215,270.81 : x
  2. Step 2: Convert to fraction form
    351,263.15/484,754.87 = 215,270.81/x
  3. Step 3: Cross multiply
    351,263.15x = 484,754.87 × 215,270.81
  4. Step 4: Simplify right side
    351,263.15x = 104,353,575,266.41
  5. Step 5: Solve for x
    x = 104,353,575,266.41/351,263.15
  6. Step 6: Final answer
    x = 297,080.91

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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.