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Finding the Fourth Proportional to 299,275.02, 448,913.04 and 239,682.51

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Solution

The fourth proportional to 299,275.02, 448,913.04 and 239,682.51 is: 359,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,275.02 : 448,913.04 = 239,682.51 : x
  2. Step 2: Convert to fraction form
    299,275.02/448,913.04 = 239,682.51/x
  3. Step 3: Cross multiply
    299,275.02x = 448,913.04 × 239,682.51
  4. Step 4: Simplify right side
    299,275.02x = 107,596,603,300.12
  5. Step 5: Solve for x
    x = 107,596,603,300.12/299,275.02
  6. Step 6: Final answer
    x = 359,524.17

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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.