Home / 370,103.39-510,742.91-208,958.75

Finding the Fourth Proportional to 370,103.39, 510,742.91 and 208,958.75

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Solution

The fourth proportional to 370,103.39, 510,742.91 and 208,958.75 is: 288,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,103.39 : 510,742.91 = 208,958.75 : x
  2. Step 2: Convert to fraction form
    370,103.39/510,742.91 = 208,958.75/x
  3. Step 3: Cross multiply
    370,103.39x = 510,742.91 × 208,958.75
  4. Step 4: Simplify right side
    370,103.39x = 106,724,200,044.96
  5. Step 5: Solve for x
    x = 106,724,200,044.96/370,103.39
  6. Step 6: Final answer
    x = 288,363.21

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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.