Home / 326,266.47-450,176.13-315,514.62

Finding the Fourth Proportional to 326,266.47, 450,176.13 and 315,514.62

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Solution

The fourth proportional to 326,266.47, 450,176.13 and 315,514.62 is: 435,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,266.47 : 450,176.13 = 315,514.62 : x
  2. Step 2: Convert to fraction form
    326,266.47/450,176.13 = 315,514.62/x
  3. Step 3: Cross multiply
    326,266.47x = 450,176.13 × 315,514.62
  4. Step 4: Simplify right side
    326,266.47x = 142,037,150,590.02
  5. Step 5: Solve for x
    x = 142,037,150,590.02/326,266.47
  6. Step 6: Final answer
    x = 435,340.94

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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.