Home / 248,128.24-342,506.04-147,526

Finding the Fourth Proportional to 248,128.24, 342,506.04 and 147,526

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Solution

The fourth proportional to 248,128.24, 342,506.04 and 147,526 is: 203,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,128.24 : 342,506.04 = 147,526 : x
  2. Step 2: Convert to fraction form
    248,128.24/342,506.04 = 147,526/x
  3. Step 3: Cross multiply
    248,128.24x = 342,506.04 × 147,526
  4. Step 4: Simplify right side
    248,128.24x = 50,528,546,057.04
  5. Step 5: Solve for x
    x = 50,528,546,057.04/248,128.24
  6. Step 6: Final answer
    x = 203,638.84

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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.