Home / 386,002.02-532,704.05-213,916.36

Finding the Fourth Proportional to 386,002.02, 532,704.05 and 213,916.36

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Solution

The fourth proportional to 386,002.02, 532,704.05 and 213,916.36 is: 295,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,002.02 : 532,704.05 = 213,916.36 : x
  2. Step 2: Convert to fraction form
    386,002.02/532,704.05 = 213,916.36/x
  3. Step 3: Cross multiply
    386,002.02x = 532,704.05 × 213,916.36
  4. Step 4: Simplify right side
    386,002.02x = 113,954,111,333.26
  5. Step 5: Solve for x
    x = 113,954,111,333.26/386,002.02
  6. Step 6: Final answer
    x = 295,216.36

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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.