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Finding the Fourth Proportional to 199,450.63, 299,110.98 and 66,295.13

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Solution

The fourth proportional to 199,450.63, 299,110.98 and 66,295.13 is: 99,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,450.63 : 299,110.98 = 66,295.13 : x
  2. Step 2: Convert to fraction form
    199,450.63/299,110.98 = 66,295.13/x
  3. Step 3: Cross multiply
    199,450.63x = 299,110.98 × 66,295.13
  4. Step 4: Simplify right side
    199,450.63x = 19,829,601,303.53
  5. Step 5: Solve for x
    x = 19,829,601,303.53/199,450.63
  6. Step 6: Final answer
    x = 99,421.10

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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.