Home / 272,653.20-376,252.20-153,398.16

Finding the Fourth Proportional to 272,653.20, 376,252.20 and 153,398.16

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Solution

The fourth proportional to 272,653.20, 376,252.20 and 153,398.16 is: 211,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,653.20 : 376,252.20 = 153,398.16 : x
  2. Step 2: Convert to fraction form
    272,653.20/376,252.20 = 153,398.16/x
  3. Step 3: Cross multiply
    272,653.20x = 376,252.20 × 153,398.16
  4. Step 4: Simplify right side
    272,653.20x = 57,716,395,175.95
  5. Step 5: Solve for x
    x = 57,716,395,175.95/272,653.20
  6. Step 6: Final answer
    x = 211,684.28

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1.5x scale

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.