Home / 421,002.36-581,022.72-230,044.05

Finding the Fourth Proportional to 421,002.36, 581,022.72 and 230,044.05

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Solution

The fourth proportional to 421,002.36, 581,022.72 and 230,044.05 is: 317,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,002.36 : 581,022.72 = 230,044.05 : x
  2. Step 2: Convert to fraction form
    421,002.36/581,022.72 = 230,044.05/x
  3. Step 3: Cross multiply
    421,002.36x = 581,022.72 × 230,044.05
  4. Step 4: Simplify right side
    421,002.36x = 133,660,819,650.82
  5. Step 5: Solve for x
    x = 133,660,819,650.82/421,002.36
  6. Step 6: Final answer
    x = 317,482.35

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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.