Home / 370,020.45-510,629.76-200,254.56

Finding the Fourth Proportional to 370,020.45, 510,629.76 and 200,254.56

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Solution

The fourth proportional to 370,020.45, 510,629.76 and 200,254.56 is: 276,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,020.45 : 510,629.76 = 200,254.56 : x
  2. Step 2: Convert to fraction form
    370,020.45/510,629.76 = 200,254.56/x
  3. Step 3: Cross multiply
    370,020.45x = 510,629.76 × 200,254.56
  4. Step 4: Simplify right side
    370,020.45x = 102,255,937,911.71
  5. Step 5: Solve for x
    x = 102,255,937,911.71/370,020.45
  6. Step 6: Final answer
    x = 276,352.13

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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.