Home / 347,998.12-480,214.63-204,730.45

Finding the Fourth Proportional to 347,998.12, 480,214.63 and 204,730.45

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Solution

The fourth proportional to 347,998.12, 480,214.63 and 204,730.45 is: 282,514.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,998.12 : 480,214.63 = 204,730.45 : x
  2. Step 2: Convert to fraction form
    347,998.12/480,214.63 = 204,730.45/x
  3. Step 3: Cross multiply
    347,998.12x = 480,214.63 × 204,730.45
  4. Step 4: Simplify right side
    347,998.12x = 98,314,557,296.48
  5. Step 5: Solve for x
    x = 98,314,557,296.48/347,998.12
  6. Step 6: Final answer
    x = 282,514.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.