Home / 270,821.81-374,123.39-216,302.40

Finding the Fourth Proportional to 270,821.81, 374,123.39 and 216,302.40

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Solution

The fourth proportional to 270,821.81, 374,123.39 and 216,302.40 is: 298,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,821.81 : 374,123.39 = 216,302.40 : x
  2. Step 2: Convert to fraction form
    270,821.81/374,123.39 = 216,302.40/x
  3. Step 3: Cross multiply
    270,821.81x = 374,123.39 × 216,302.40
  4. Step 4: Simplify right side
    270,821.81x = 80,923,786,071.62
  5. Step 5: Solve for x
    x = 80,923,786,071.62/270,821.81
  6. Step 6: Final answer
    x = 298,808.24

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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.