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Finding the Fourth Proportional to 370,254.29, 510,940.62 and 219,351.29

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Solution

The fourth proportional to 370,254.29, 510,940.62 and 219,351.29 is: 302,698.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,254.29 : 510,940.62 = 219,351.29 : x
  2. Step 2: Convert to fraction form
    370,254.29/510,940.62 = 219,351.29/x
  3. Step 3: Cross multiply
    370,254.29x = 510,940.62 × 219,351.29
  4. Step 4: Simplify right side
    370,254.29x = 112,075,481,555.70
  5. Step 5: Solve for x
    x = 112,075,481,555.70/370,254.29
  6. Step 6: Final answer
    x = 302,698.68

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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.