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Finding the Fourth Proportional to 219,847.77, 303,674.67 and 162,603.45

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Solution

The fourth proportional to 219,847.77, 303,674.67 and 162,603.45 is: 224,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,847.77 : 303,674.67 = 162,603.45 : x
  2. Step 2: Convert to fraction form
    219,847.77/303,674.67 = 162,603.45/x
  3. Step 3: Cross multiply
    219,847.77x = 303,674.67 × 162,603.45
  4. Step 4: Simplify right side
    219,847.77x = 49,378,549,019.61
  5. Step 5: Solve for x
    x = 49,378,549,019.61/219,847.77
  6. Step 6: Final answer
    x = 224,603.37

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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.