Home / 353,228.60-528,633.30-213,087.80

Finding the Fourth Proportional to 353,228.60, 528,633.30 and 213,087.80

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Solution

The fourth proportional to 353,228.60, 528,633.30 and 213,087.80 is: 318,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,228.60 : 528,633.30 = 213,087.80 : x
  2. Step 2: Convert to fraction form
    353,228.60/528,633.30 = 213,087.80/x
  3. Step 3: Cross multiply
    353,228.60x = 528,633.30 × 213,087.80
  4. Step 4: Simplify right side
    353,228.60x = 112,645,306,903.74
  5. Step 5: Solve for x
    x = 112,645,306,903.74/353,228.60
  6. Step 6: Final answer
    x = 318,902.00

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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.