Home / 326,307.40-450,151.38-211,622.32

Finding the Fourth Proportional to 326,307.40, 450,151.38 and 211,622.32

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Solution

The fourth proportional to 326,307.40, 450,151.38 and 211,622.32 is: 291,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,307.40 : 450,151.38 = 211,622.32 : x
  2. Step 2: Convert to fraction form
    326,307.40/450,151.38 = 211,622.32/x
  3. Step 3: Cross multiply
    326,307.40x = 450,151.38 × 211,622.32
  4. Step 4: Simplify right side
    326,307.40x = 95,262,079,386.80
  5. Step 5: Solve for x
    x = 95,262,079,386.80/326,307.40
  6. Step 6: Final answer
    x = 291,939.68

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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.