Home / 421,057.20-581,045.04-266,091.32

Finding the Fourth Proportional to 421,057.20, 581,045.04 and 266,091.32

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Solution

The fourth proportional to 421,057.20, 581,045.04 and 266,091.32 is: 367,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,057.20 : 581,045.04 = 266,091.32 : x
  2. Step 2: Convert to fraction form
    421,057.20/581,045.04 = 266,091.32/x
  3. Step 3: Cross multiply
    421,057.20x = 581,045.04 × 266,091.32
  4. Step 4: Simplify right side
    421,057.20x = 154,611,041,514.16
  5. Step 5: Solve for x
    x = 154,611,041,514.16/421,057.20
  6. Step 6: Final answer
    x = 367,197.24

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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.