Home / 271,376.02-406,776.76-91,290.01

Finding the Fourth Proportional to 271,376.02, 406,776.76 and 91,290.01

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Solution

The fourth proportional to 271,376.02, 406,776.76 and 91,290.01 is: 136,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,376.02 : 406,776.76 = 91,290.01 : x
  2. Step 2: Convert to fraction form
    271,376.02/406,776.76 = 91,290.01/x
  3. Step 3: Cross multiply
    271,376.02x = 406,776.76 × 91,290.01
  4. Step 4: Simplify right side
    271,376.02x = 37,134,655,406.52
  5. Step 5: Solve for x
    x = 37,134,655,406.52/271,376.02
  6. Step 6: Final answer
    x = 136,838.38

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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.