Home / 354,035.50-531,053.76-270,271.26

Finding the Fourth Proportional to 354,035.50, 531,053.76 and 270,271.26

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Solution

The fourth proportional to 354,035.50, 531,053.76 and 270,271.26 is: 405,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,035.50 : 531,053.76 = 270,271.26 : x
  2. Step 2: Convert to fraction form
    354,035.50/531,053.76 = 270,271.26/x
  3. Step 3: Cross multiply
    354,035.50x = 531,053.76 × 270,271.26
  4. Step 4: Simplify right side
    354,035.50x = 143,528,568,842.94
  5. Step 5: Solve for x
    x = 143,528,568,842.94/354,035.50
  6. Step 6: Final answer
    x = 405,407.28

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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.