Home / 370,149.12-510,786.32-217,166

Finding the Fourth Proportional to 370,149.12, 510,786.32 and 217,166

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Solution

The fourth proportional to 370,149.12, 510,786.32 and 217,166 is: 299,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,149.12 : 510,786.32 = 217,166 : x
  2. Step 2: Convert to fraction form
    370,149.12/510,786.32 = 217,166/x
  3. Step 3: Cross multiply
    370,149.12x = 510,786.32 × 217,166
  4. Step 4: Simplify right side
    370,149.12x = 110,925,421,969.12
  5. Step 5: Solve for x
    x = 110,925,421,969.12/370,149.12
  6. Step 6: Final answer
    x = 299,677.66

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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.