Home / 377,966.16-521,596.80-208,200.96

Finding the Fourth Proportional to 377,966.16, 521,596.80 and 208,200.96

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Solution

The fourth proportional to 377,966.16, 521,596.80 and 208,200.96 is: 287,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,966.16 : 521,596.80 = 208,200.96 : x
  2. Step 2: Convert to fraction form
    377,966.16/521,596.80 = 208,200.96/x
  3. Step 3: Cross multiply
    377,966.16x = 521,596.80 × 208,200.96
  4. Step 4: Simplify right side
    377,966.16x = 108,596,954,492.93
  5. Step 5: Solve for x
    x = 108,596,954,492.93/377,966.16
  6. Step 6: Final answer
    x = 287,319.25

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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.