Home / 426,302.07-639,267.08-226,574.43

Finding the Fourth Proportional to 426,302.07, 639,267.08 and 226,574.43

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Solution

The fourth proportional to 426,302.07, 639,267.08 and 226,574.43 is: 339,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,302.07 : 639,267.08 = 226,574.43 : x
  2. Step 2: Convert to fraction form
    426,302.07/639,267.08 = 226,574.43/x
  3. Step 3: Cross multiply
    426,302.07x = 639,267.08 × 226,574.43
  4. Step 4: Simplify right side
    426,302.07x = 144,841,573,135.89
  5. Step 5: Solve for x
    x = 144,841,573,135.89/426,302.07
  6. Step 6: Final answer
    x = 339,762.77

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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.