Home / 211,302.39-316,427.81-147,825.37

Finding the Fourth Proportional to 211,302.39, 316,427.81 and 147,825.37

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Solution

The fourth proportional to 211,302.39, 316,427.81 and 147,825.37 is: 221,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,302.39 : 316,427.81 = 147,825.37 : x
  2. Step 2: Convert to fraction form
    211,302.39/316,427.81 = 147,825.37/x
  3. Step 3: Cross multiply
    211,302.39x = 316,427.81 × 147,825.37
  4. Step 4: Simplify right side
    211,302.39x = 46,776,057,747.95
  5. Step 5: Solve for x
    x = 46,776,057,747.95/211,302.39
  6. Step 6: Final answer
    x = 221,370.22

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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.