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Finding the Fourth Proportional to 243,533.39, 365,300.76 and 75,048.27

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Solution

The fourth proportional to 243,533.39, 365,300.76 and 75,048.27 is: 112,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,533.39 : 365,300.76 = 75,048.27 : x
  2. Step 2: Convert to fraction form
    243,533.39/365,300.76 = 75,048.27/x
  3. Step 3: Cross multiply
    243,533.39x = 365,300.76 × 75,048.27
  4. Step 4: Simplify right side
    243,533.39x = 27,415,190,822.98
  5. Step 5: Solve for x
    x = 27,415,190,822.98/243,533.39
  6. Step 6: Final answer
    x = 112,572.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.