Home / 262,467.32-393,701.89-72,938.26

Finding the Fourth Proportional to 262,467.32, 393,701.89 and 72,938.26

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Solution

The fourth proportional to 262,467.32, 393,701.89 and 72,938.26 is: 109,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,467.32 : 393,701.89 = 72,938.26 : x
  2. Step 2: Convert to fraction form
    262,467.32/393,701.89 = 72,938.26/x
  3. Step 3: Cross multiply
    262,467.32x = 393,701.89 × 72,938.26
  4. Step 4: Simplify right side
    262,467.32x = 28,715,929,648.71
  5. Step 5: Solve for x
    x = 28,715,929,648.71/262,467.32
  6. Step 6: Final answer
    x = 109,407.64

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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.