Home / 427,664.58-590,172.63-231,426.77

Finding the Fourth Proportional to 427,664.58, 590,172.63 and 231,426.77

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Solution

The fourth proportional to 427,664.58, 590,172.63 and 231,426.77 is: 319,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,664.58 : 590,172.63 = 231,426.77 : x
  2. Step 2: Convert to fraction form
    427,664.58/590,172.63 = 231,426.77/x
  3. Step 3: Cross multiply
    427,664.58x = 590,172.63 × 231,426.77
  4. Step 4: Simplify right side
    427,664.58x = 136,581,746,306.09
  5. Step 5: Solve for x
    x = 136,581,746,306.09/427,664.58
  6. Step 6: Final answer
    x = 319,366.51

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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.