Home / 354,027.69-531,042.06-270,263.48

Finding the Fourth Proportional to 354,027.69, 531,042.06 and 270,263.48

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Solution

The fourth proportional to 354,027.69, 531,042.06 and 270,263.48 is: 405,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,027.69 : 531,042.06 = 270,263.48 : x
  2. Step 2: Convert to fraction form
    354,027.69/531,042.06 = 270,263.48/x
  3. Step 3: Cross multiply
    354,027.69x = 531,042.06 × 270,263.48
  4. Step 4: Simplify right side
    354,027.69x = 143,521,272,506.76
  5. Step 5: Solve for x
    x = 143,521,272,506.76/354,027.69
  6. Step 6: Final answer
    x = 405,395.61

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1.5x scale

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.