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Finding the Fourth Proportional to 199,467.23, 299,203.47 and 66,347.51

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Solution

The fourth proportional to 199,467.23, 299,203.47 and 66,347.51 is: 99,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,467.23 : 299,203.47 = 66,347.51 : x
  2. Step 2: Convert to fraction form
    199,467.23/299,203.47 = 66,347.51/x
  3. Step 3: Cross multiply
    199,467.23x = 299,203.47 × 66,347.51
  4. Step 4: Simplify right side
    199,467.23x = 19,851,403,721.84
  5. Step 5: Solve for x
    x = 19,851,403,721.84/199,467.23
  6. Step 6: Final answer
    x = 99,522.13

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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.