Home / 383,245.46-528,895.08-213,479.66

Finding the Fourth Proportional to 383,245.46, 528,895.08 and 213,479.66

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Solution

The fourth proportional to 383,245.46, 528,895.08 and 213,479.66 is: 294,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,245.46 : 528,895.08 = 213,479.66 : x
  2. Step 2: Convert to fraction form
    383,245.46/528,895.08 = 213,479.66/x
  3. Step 3: Cross multiply
    383,245.46x = 528,895.08 × 213,479.66
  4. Step 4: Simplify right side
    383,245.46x = 112,908,341,854.07
  5. Step 5: Solve for x
    x = 112,908,341,854.07/383,245.46
  6. Step 6: Final answer
    x = 294,611.04

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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.