Home / 473,286.78-653,130.81-258,426.18

Finding the Fourth Proportional to 473,286.78, 653,130.81 and 258,426.18

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Solution

The fourth proportional to 473,286.78, 653,130.81 and 258,426.18 is: 356,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,286.78 : 653,130.81 = 258,426.18 : x
  2. Step 2: Convert to fraction form
    473,286.78/653,130.81 = 258,426.18/x
  3. Step 3: Cross multiply
    473,286.78x = 653,130.81 × 258,426.18
  4. Step 4: Simplify right side
    473,286.78x = 168,786,100,268.61
  5. Step 5: Solve for x
    x = 168,786,100,268.61/473,286.78
  6. Step 6: Final answer
    x = 356,625.43

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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.