Home / 377,429.32-521,085.18-259,759

Finding the Fourth Proportional to 377,429.32, 521,085.18 and 259,759

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Solution

The fourth proportional to 377,429.32, 521,085.18 and 259,759 is: 358,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,429.32 : 521,085.18 = 259,759 : x
  2. Step 2: Convert to fraction form
    377,429.32/521,085.18 = 259,759/x
  3. Step 3: Cross multiply
    377,429.32x = 521,085.18 × 259,759
  4. Step 4: Simplify right side
    377,429.32x = 135,356,565,271.62
  5. Step 5: Solve for x
    x = 135,356,565,271.62/377,429.32
  6. Step 6: Final answer
    x = 358,627.58

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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.