Home / 421,522.20-581,664.24-237,750.65

Finding the Fourth Proportional to 421,522.20, 581,664.24 and 237,750.65

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Solution

The fourth proportional to 421,522.20, 581,664.24 and 237,750.65 is: 328,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,522.20 : 581,664.24 = 237,750.65 : x
  2. Step 2: Convert to fraction form
    421,522.20/581,664.24 = 237,750.65/x
  3. Step 3: Cross multiply
    421,522.20x = 581,664.24 × 237,750.65
  4. Step 4: Simplify right side
    421,522.20x = 138,291,050,414.68
  5. Step 5: Solve for x
    x = 138,291,050,414.68/421,522.20
  6. Step 6: Final answer
    x = 328,075.37

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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.