Home / 382,811.10-528,274.11-213,045.24

Finding the Fourth Proportional to 382,811.10, 528,274.11 and 213,045.24

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Solution

The fourth proportional to 382,811.10, 528,274.11 and 213,045.24 is: 293,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,811.10 : 528,274.11 = 213,045.24 : x
  2. Step 2: Convert to fraction form
    382,811.10/528,274.11 = 213,045.24/x
  3. Step 3: Cross multiply
    382,811.10x = 528,274.11 × 213,045.24
  4. Step 4: Simplify right side
    382,811.10x = 112,546,284,550.74
  5. Step 5: Solve for x
    x = 112,546,284,550.74/382,811.10
  6. Step 6: Final answer
    x = 293,999.53

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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.