Home / 387,463.52-581,370.64-197,826.08

Finding the Fourth Proportional to 387,463.52, 581,370.64 and 197,826.08

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Solution

The fourth proportional to 387,463.52, 581,370.64 and 197,826.08 is: 296,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,463.52 : 581,370.64 = 197,826.08 : x
  2. Step 2: Convert to fraction form
    387,463.52/581,370.64 = 197,826.08/x
  3. Step 3: Cross multiply
    387,463.52x = 581,370.64 × 197,826.08
  4. Step 4: Simplify right side
    387,463.52x = 115,010,274,738.29
  5. Step 5: Solve for x
    x = 115,010,274,738.29/387,463.52
  6. Step 6: Final answer
    x = 296,828.65

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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.