Home / 258,264.71-356,403.39-145,087.46

Finding the Fourth Proportional to 258,264.71, 356,403.39 and 145,087.46

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Solution

The fourth proportional to 258,264.71, 356,403.39 and 145,087.46 is: 200,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,264.71 : 356,403.39 = 145,087.46 : x
  2. Step 2: Convert to fraction form
    258,264.71/356,403.39 = 145,087.46/x
  3. Step 3: Cross multiply
    258,264.71x = 356,403.39 × 145,087.46
  4. Step 4: Simplify right side
    258,264.71x = 51,709,662,590.49
  5. Step 5: Solve for x
    x = 51,709,662,590.49/258,264.71
  6. Step 6: Final answer
    x = 200,219.62

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1.5x scale

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.