Home / 351,031.50-484,226.64-215,131.32

Finding the Fourth Proportional to 351,031.50, 484,226.64 and 215,131.32

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Solution

The fourth proportional to 351,031.50, 484,226.64 and 215,131.32 is: 296,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,031.50 : 484,226.64 = 215,131.32 : x
  2. Step 2: Convert to fraction form
    351,031.50/484,226.64 = 215,131.32/x
  3. Step 3: Cross multiply
    351,031.50x = 484,226.64 × 215,131.32
  4. Step 4: Simplify right side
    351,031.50x = 104,172,316,242.37
  5. Step 5: Solve for x
    x = 104,172,316,242.37/351,031.50
  6. Step 6: Final answer
    x = 296,760.59

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1.5x scale

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.