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Finding the Fourth Proportional to 360,262.37, 497,187.81 and 199,113.93

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Solution

The fourth proportional to 360,262.37, 497,187.81 and 199,113.93 is: 274,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,262.37 : 497,187.81 = 199,113.93 : x
  2. Step 2: Convert to fraction form
    360,262.37/497,187.81 = 199,113.93/x
  3. Step 3: Cross multiply
    360,262.37x = 497,187.81 × 199,113.93
  4. Step 4: Simplify right side
    360,262.37x = 98,997,018,797.19
  5. Step 5: Solve for x
    x = 98,997,018,797.19/360,262.37
  6. Step 6: Final answer
    x = 274,791.45

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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.