Home / 340,053.22-510,006.93-140,321.80

Finding the Fourth Proportional to 340,053.22, 510,006.93 and 140,321.80

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Solution

The fourth proportional to 340,053.22, 510,006.93 and 140,321.80 is: 210,452.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,053.22 : 510,006.93 = 140,321.80 : x
  2. Step 2: Convert to fraction form
    340,053.22/510,006.93 = 140,321.80/x
  3. Step 3: Cross multiply
    340,053.22x = 510,006.93 × 140,321.80
  4. Step 4: Simplify right side
    340,053.22x = 71,565,090,430.07
  5. Step 5: Solve for x
    x = 71,565,090,430.07/340,053.22
  6. Step 6: Final answer
    x = 210,452.62

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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.