Home / 370,135.07-510,788.03-200,369.19

Finding the Fourth Proportional to 370,135.07, 510,788.03 and 200,369.19

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Solution

The fourth proportional to 370,135.07, 510,788.03 and 200,369.19 is: 276,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,135.07 : 510,788.03 = 200,369.19 : x
  2. Step 2: Convert to fraction form
    370,135.07/510,788.03 = 200,369.19/x
  3. Step 3: Cross multiply
    370,135.07x = 510,788.03 × 200,369.19
  4. Step 4: Simplify right side
    370,135.07x = 102,346,184,746.41
  5. Step 5: Solve for x
    x = 102,346,184,746.41/370,135.07
  6. Step 6: Final answer
    x = 276,510.37

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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.