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Finding the Fourth Proportional to 377,373.33, 520,766.64 and 216,323.28

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Solution

The fourth proportional to 377,373.33, 520,766.64 and 216,323.28 is: 298,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,373.33 : 520,766.64 = 216,323.28 : x
  2. Step 2: Convert to fraction form
    377,373.33/520,766.64 = 216,323.28/x
  3. Step 3: Cross multiply
    377,373.33x = 520,766.64 × 216,323.28
  4. Step 4: Simplify right side
    377,373.33x = 112,653,947,679.38
  5. Step 5: Solve for x
    x = 112,653,947,679.38/377,373.33
  6. Step 6: Final answer
    x = 298,521.22

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1.5x scale

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.