Home / 351,039.79-484,437.27-215,074

Finding the Fourth Proportional to 351,039.79, 484,437.27 and 215,074

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Solution

The fourth proportional to 351,039.79, 484,437.27 and 215,074 is: 296,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,039.79 : 484,437.27 = 215,074 : x
  2. Step 2: Convert to fraction form
    351,039.79/484,437.27 = 215,074/x
  3. Step 3: Cross multiply
    351,039.79x = 484,437.27 × 215,074
  4. Step 4: Simplify right side
    351,039.79x = 104,189,861,407.98
  5. Step 5: Solve for x
    x = 104,189,861,407.98/351,039.79
  6. Step 6: Final answer
    x = 296,803.57

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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.