Home / 305,298.91-457,855.08-211,134.25

Finding the Fourth Proportional to 305,298.91, 457,855.08 and 211,134.25

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Solution

The fourth proportional to 305,298.91, 457,855.08 and 211,134.25 is: 316,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,298.91 : 457,855.08 = 211,134.25 : x
  2. Step 2: Convert to fraction form
    305,298.91/457,855.08 = 211,134.25/x
  3. Step 3: Cross multiply
    305,298.91x = 457,855.08 × 211,134.25
  4. Step 4: Simplify right side
    305,298.91x = 96,668,888,924.49
  5. Step 5: Solve for x
    x = 96,668,888,924.49/305,298.91
  6. Step 6: Final answer
    x = 316,636.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.