Home / 380,339.12-524,868.01-208,267.93

Finding the Fourth Proportional to 380,339.12, 524,868.01 and 208,267.93

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Solution

The fourth proportional to 380,339.12, 524,868.01 and 208,267.93 is: 287,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,339.12 : 524,868.01 = 208,267.93 : x
  2. Step 2: Convert to fraction form
    380,339.12/524,868.01 = 208,267.93/x
  3. Step 3: Cross multiply
    380,339.12x = 524,868.01 × 208,267.93
  4. Step 4: Simplify right side
    380,339.12x = 109,313,173,965.92
  5. Step 5: Solve for x
    x = 109,313,173,965.92/380,339.12
  6. Step 6: Final answer
    x = 287,409.76

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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.