Home / 211,507.27-317,244.08-85,058.37

Finding the Fourth Proportional to 211,507.27, 317,244.08 and 85,058.37

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Solution

The fourth proportional to 211,507.27, 317,244.08 and 85,058.37 is: 127,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,507.27 : 317,244.08 = 85,058.37 : x
  2. Step 2: Convert to fraction form
    211,507.27/317,244.08 = 85,058.37/x
  3. Step 3: Cross multiply
    211,507.27x = 317,244.08 × 85,058.37
  4. Step 4: Simplify right side
    211,507.27x = 26,984,264,549.60
  5. Step 5: Solve for x
    x = 26,984,264,549.60/211,507.27
  6. Step 6: Final answer
    x = 127,580.79

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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.