Home / 269,010.23-403,421.04-79,420.01

Finding the Fourth Proportional to 269,010.23, 403,421.04 and 79,420.01

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Solution

The fourth proportional to 269,010.23, 403,421.04 and 79,420.01 is: 119,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,010.23 : 403,421.04 = 79,420.01 : x
  2. Step 2: Convert to fraction form
    269,010.23/403,421.04 = 79,420.01/x
  3. Step 3: Cross multiply
    269,010.23x = 403,421.04 × 79,420.01
  4. Step 4: Simplify right side
    269,010.23x = 32,039,701,013.91
  5. Step 5: Solve for x
    x = 32,039,701,013.91/269,010.23
  6. Step 6: Final answer
    x = 119,102.17

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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.