Home / 259,434.90-389,298.15-141,114.51

Finding the Fourth Proportional to 259,434.90, 389,298.15 and 141,114.51

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Solution

The fourth proportional to 259,434.90, 389,298.15 and 141,114.51 is: 211,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,434.90 : 389,298.15 = 141,114.51 : x
  2. Step 2: Convert to fraction form
    259,434.90/389,298.15 = 141,114.51/x
  3. Step 3: Cross multiply
    259,434.90x = 389,298.15 × 141,114.51
  4. Step 4: Simplify right side
    259,434.90x = 54,935,617,681.16
  5. Step 5: Solve for x
    x = 54,935,617,681.16/259,434.90
  6. Step 6: Final answer
    x = 211,751.07

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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.