Home / 421,010.16-581,002.38-230,035.38

Finding the Fourth Proportional to 421,010.16, 581,002.38 and 230,035.38

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Solution

The fourth proportional to 421,010.16, 581,002.38 and 230,035.38 is: 317,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,010.16 : 581,002.38 = 230,035.38 : x
  2. Step 2: Convert to fraction form
    421,010.16/581,002.38 = 230,035.38/x
  3. Step 3: Cross multiply
    421,010.16x = 581,002.38 × 230,035.38
  4. Step 4: Simplify right side
    421,010.16x = 133,651,103,264.20
  5. Step 5: Solve for x
    x = 133,651,103,264.20/421,010.16
  6. Step 6: Final answer
    x = 317,453.39

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1.5x scale

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.