Home / 326,036.96-450,011.04-198,782.72

Finding the Fourth Proportional to 326,036.96, 450,011.04 and 198,782.72

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Solution

The fourth proportional to 326,036.96, 450,011.04 and 198,782.72 is: 274,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,036.96 : 450,011.04 = 198,782.72 : x
  2. Step 2: Convert to fraction form
    326,036.96/450,011.04 = 198,782.72/x
  3. Step 3: Cross multiply
    326,036.96x = 450,011.04 × 198,782.72
  4. Step 4: Simplify right side
    326,036.96x = 89,454,418,561.23
  5. Step 5: Solve for x
    x = 89,454,418,561.23/326,036.96
  6. Step 6: Final answer
    x = 274,368.95

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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.