Home / 293,302.56-438,134.16-212,700.72

Finding the Fourth Proportional to 293,302.56, 438,134.16 and 212,700.72

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Solution

The fourth proportional to 293,302.56, 438,134.16 and 212,700.72 is: 317,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,302.56 : 438,134.16 = 212,700.72 : x
  2. Step 2: Convert to fraction form
    293,302.56/438,134.16 = 212,700.72/x
  3. Step 3: Cross multiply
    293,302.56x = 438,134.16 × 212,700.72
  4. Step 4: Simplify right side
    293,302.56x = 93,191,451,288.60
  5. Step 5: Solve for x
    x = 93,191,451,288.60/293,302.56
  6. Step 6: Final answer
    x = 317,731.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.