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Finding the Fourth Proportional to 734,300.40, 1,101,238.88 and 201,838.80

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Solution

The fourth proportional to 734,300.40, 1,101,238.88 and 201,838.80 is: 302,700.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,300.40 : 1,101,238.88 = 201,838.80 : x
  2. Step 2: Convert to fraction form
    734,300.40/1,101,238.88 = 201,838.80/x
  3. Step 3: Cross multiply
    734,300.40x = 1,101,238.88 × 201,838.80
  4. Step 4: Simplify right side
    734,300.40x = 222,272,734,052.54
  5. Step 5: Solve for x
    x = 222,272,734,052.54/734,300.40
  6. Step 6: Final answer
    x = 302,700.00

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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.