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Finding the Fourth Proportional to 279,482.58, 418,698.96 and 216,846.90

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Solution

The fourth proportional to 279,482.58, 418,698.96 and 216,846.90 is: 324,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,482.58 : 418,698.96 = 216,846.90 : x
  2. Step 2: Convert to fraction form
    279,482.58/418,698.96 = 216,846.90/x
  3. Step 3: Cross multiply
    279,482.58x = 418,698.96 × 216,846.90
  4. Step 4: Simplify right side
    279,482.58x = 90,793,571,509.22
  5. Step 5: Solve for x
    x = 90,793,571,509.22/279,482.58
  6. Step 6: Final answer
    x = 324,863.08

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1.5x scale

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.