Home / 304,669.95-421,247.13-266,835.75

Finding the Fourth Proportional to 304,669.95, 421,247.13 and 266,835.75

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Solution

The fourth proportional to 304,669.95, 421,247.13 and 266,835.75 is: 368,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,669.95 : 421,247.13 = 266,835.75 : x
  2. Step 2: Convert to fraction form
    304,669.95/421,247.13 = 266,835.75/x
  3. Step 3: Cross multiply
    304,669.95x = 421,247.13 × 266,835.75
  4. Step 4: Simplify right side
    304,669.95x = 112,403,793,868.90
  5. Step 5: Solve for x
    x = 112,403,793,868.90/304,669.95
  6. Step 6: Final answer
    x = 368,936.27

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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.