Home / 400,502.96-552,692.07-216,741.38

Finding the Fourth Proportional to 400,502.96, 552,692.07 and 216,741.38

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Solution

The fourth proportional to 400,502.96, 552,692.07 and 216,741.38 is: 299,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,502.96 : 552,692.07 = 216,741.38 : x
  2. Step 2: Convert to fraction form
    400,502.96/552,692.07 = 216,741.38/x
  3. Step 3: Cross multiply
    400,502.96x = 552,692.07 × 216,741.38
  4. Step 4: Simplify right side
    400,502.96x = 119,791,241,966.86
  5. Step 5: Solve for x
    x = 119,791,241,966.86/400,502.96
  6. Step 6: Final answer
    x = 299,102.01

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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.