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Finding the Fourth Proportional to 248,415, 342,899.10 and 147,810.84

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Solution

The fourth proportional to 248,415, 342,899.10 and 147,810.84 is: 204,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,415 : 342,899.10 = 147,810.84 : x
  2. Step 2: Convert to fraction form
    248,415/342,899.10 = 147,810.84/x
  3. Step 3: Cross multiply
    248,415x = 342,899.10 × 147,810.84
  4. Step 4: Simplify right side
    248,415x = 50,684,204,006.24
  5. Step 5: Solve for x
    x = 50,684,204,006.24/248,415
  6. Step 6: Final answer
    x = 204,030.37

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1.5x scale

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.