Home / 345,209.89-476,576.03-242,159.81

Finding the Fourth Proportional to 345,209.89, 476,576.03 and 242,159.81

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Solution

The fourth proportional to 345,209.89, 476,576.03 and 242,159.81 is: 334,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,209.89 : 476,576.03 = 242,159.81 : x
  2. Step 2: Convert to fraction form
    345,209.89/476,576.03 = 242,159.81/x
  3. Step 3: Cross multiply
    345,209.89x = 476,576.03 × 242,159.81
  4. Step 4: Simplify right side
    345,209.89x = 115,407,559,664.56
  5. Step 5: Solve for x
    x = 115,407,559,664.56/345,209.89
  6. Step 6: Final answer
    x = 334,311.28

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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.