Home / 370,037.12-510,749.82-208,986.44

Finding the Fourth Proportional to 370,037.12, 510,749.82 and 208,986.44

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Solution

The fourth proportional to 370,037.12, 510,749.82 and 208,986.44 is: 288,456.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,037.12 : 510,749.82 = 208,986.44 : x
  2. Step 2: Convert to fraction form
    370,037.12/510,749.82 = 208,986.44/x
  3. Step 3: Cross multiply
    370,037.12x = 510,749.82 × 208,986.44
  4. Step 4: Simplify right side
    370,037.12x = 106,739,786,612.44
  5. Step 5: Solve for x
    x = 106,739,786,612.44/370,037.12
  6. Step 6: Final answer
    x = 288,456.97

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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.