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Finding the Fourth Proportional to 299,303.61, 448,955.43 and 199,658.40

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Solution

The fourth proportional to 299,303.61, 448,955.43 and 199,658.40 is: 299,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,303.61 : 448,955.43 = 199,658.40 : x
  2. Step 2: Convert to fraction form
    299,303.61/448,955.43 = 199,658.40/x
  3. Step 3: Cross multiply
    299,303.61x = 448,955.43 × 199,658.40
  4. Step 4: Simplify right side
    299,303.61x = 89,637,722,825.11
  5. Step 5: Solve for x
    x = 89,637,722,825.11/299,303.61
  6. Step 6: Final answer
    x = 299,487.61

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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.