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Finding the Fourth Proportional to 214,803.96, 296,421.22 and 119,316.76

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Solution

The fourth proportional to 214,803.96, 296,421.22 and 119,316.76 is: 164,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,803.96 : 296,421.22 = 119,316.76 : x
  2. Step 2: Convert to fraction form
    214,803.96/296,421.22 = 119,316.76/x
  3. Step 3: Cross multiply
    214,803.96x = 296,421.22 × 119,316.76
  4. Step 4: Simplify right side
    214,803.96x = 35,368,019,565.65
  5. Step 5: Solve for x
    x = 35,368,019,565.65/214,803.96
  6. Step 6: Final answer
    x = 164,652.55

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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.