Home / 292,665.28-403,908-211,060.96

Finding the Fourth Proportional to 292,665.28, 403,908 and 211,060.96

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Solution

The fourth proportional to 292,665.28, 403,908 and 211,060.96 is: 291,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,665.28 : 403,908 = 211,060.96 : x
  2. Step 2: Convert to fraction form
    292,665.28/403,908 = 211,060.96/x
  3. Step 3: Cross multiply
    292,665.28x = 403,908 × 211,060.96
  4. Step 4: Simplify right side
    292,665.28x = 85,249,210,231.68
  5. Step 5: Solve for x
    x = 85,249,210,231.68/292,665.28
  6. Step 6: Final answer
    x = 291,285.70

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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.