Home / 421,066.68-581,072.72-230,075.96

Finding the Fourth Proportional to 421,066.68, 581,072.72 and 230,075.96

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Solution

The fourth proportional to 421,066.68, 581,072.72 and 230,075.96 is: 317,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,066.68 : 581,072.72 = 230,075.96 : x
  2. Step 2: Convert to fraction form
    421,066.68/581,072.72 = 230,075.96/x
  3. Step 3: Cross multiply
    421,066.68x = 581,072.72 × 230,075.96
  4. Step 4: Simplify right side
    421,066.68x = 133,690,863,883.81
  5. Step 5: Solve for x
    x = 133,690,863,883.81/421,066.68
  6. Step 6: Final answer
    x = 317,505.21

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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.