Home / 440,983.51-661,412.98-141,425.16

Finding the Fourth Proportional to 440,983.51, 661,412.98 and 141,425.16

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Solution

The fourth proportional to 440,983.51, 661,412.98 and 141,425.16 is: 212,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,983.51 : 661,412.98 = 141,425.16 : x
  2. Step 2: Convert to fraction form
    440,983.51/661,412.98 = 141,425.16/x
  3. Step 3: Cross multiply
    440,983.51x = 661,412.98 × 141,425.16
  4. Step 4: Simplify right side
    440,983.51x = 93,540,436,522.58
  5. Step 5: Solve for x
    x = 93,540,436,522.58/440,983.51
  6. Step 6: Final answer
    x = 212,117.77

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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.