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Finding the Fourth Proportional to 248,064.84, 342,333.78 and 134,888.28

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Solution

The fourth proportional to 248,064.84, 342,333.78 and 134,888.28 is: 186,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,064.84 : 342,333.78 = 134,888.28 : x
  2. Step 2: Convert to fraction form
    248,064.84/342,333.78 = 134,888.28/x
  3. Step 3: Cross multiply
    248,064.84x = 342,333.78 × 134,888.28
  4. Step 4: Simplify right side
    248,064.84x = 46,176,814,770.10
  5. Step 5: Solve for x
    x = 46,176,814,770.10/248,064.84
  6. Step 6: Final answer
    x = 186,148.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.