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Finding the Fourth Proportional to 299,153.61, 448,598.93 and 112,033.89

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Solution

The fourth proportional to 299,153.61, 448,598.93 and 112,033.89 is: 168,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,153.61 : 448,598.93 = 112,033.89 : x
  2. Step 2: Convert to fraction form
    299,153.61/448,598.93 = 112,033.89/x
  3. Step 3: Cross multiply
    299,153.61x = 448,598.93 × 112,033.89
  4. Step 4: Simplify right side
    299,153.61x = 50,258,282,617.57
  5. Step 5: Solve for x
    x = 50,258,282,617.57/299,153.61
  6. Step 6: Final answer
    x = 168,001.59

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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.