Home / 236,864.20-355,490.70-229,088.20

Finding the Fourth Proportional to 236,864.20, 355,490.70 and 229,088.20

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Solution

The fourth proportional to 236,864.20, 355,490.70 and 229,088.20 is: 343,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,864.20 : 355,490.70 = 229,088.20 : x
  2. Step 2: Convert to fraction form
    236,864.20/355,490.70 = 229,088.20/x
  3. Step 3: Cross multiply
    236,864.20x = 355,490.70 × 229,088.20
  4. Step 4: Simplify right side
    236,864.20x = 81,438,724,579.74
  5. Step 5: Solve for x
    x = 81,438,724,579.74/236,864.20
  6. Step 6: Final answer
    x = 343,820.32

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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.