Home / 843,268.48-1,264,871.04-212,174.08

Finding the Fourth Proportional to 843,268.48, 1,264,871.04 and 212,174.08

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Solution

The fourth proportional to 843,268.48, 1,264,871.04 and 212,174.08 is: 318,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,268.48 : 1,264,871.04 = 212,174.08 : x
  2. Step 2: Convert to fraction form
    843,268.48/1,264,871.04 = 212,174.08/x
  3. Step 3: Cross multiply
    843,268.48x = 1,264,871.04 × 212,174.08
  4. Step 4: Simplify right side
    843,268.48x = 268,372,849,230.64
  5. Step 5: Solve for x
    x = 268,372,849,230.64/843,268.48
  6. Step 6: Final answer
    x = 318,253.15

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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.