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Finding the Fourth Proportional to 374,952.16, 517,353.96 and 222,038.38

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Solution

The fourth proportional to 374,952.16, 517,353.96 and 222,038.38 is: 306,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,952.16 : 517,353.96 = 222,038.38 : x
  2. Step 2: Convert to fraction form
    374,952.16/517,353.96 = 222,038.38/x
  3. Step 3: Cross multiply
    374,952.16x = 517,353.96 × 222,038.38
  4. Step 4: Simplify right side
    374,952.16x = 114,872,435,164.99
  5. Step 5: Solve for x
    x = 114,872,435,164.99/374,952.16
  6. Step 6: Final answer
    x = 306,365.58

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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.