Home / 547,756.08-821,621.16-142,941.84

Finding the Fourth Proportional to 547,756.08, 821,621.16 and 142,941.84

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Solution

The fourth proportional to 547,756.08, 821,621.16 and 142,941.84 is: 214,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,756.08 : 821,621.16 = 142,941.84 : x
  2. Step 2: Convert to fraction form
    547,756.08/821,621.16 = 142,941.84/x
  3. Step 3: Cross multiply
    547,756.08x = 821,621.16 × 142,941.84
  4. Step 4: Simplify right side
    547,756.08x = 117,444,040,393.33
  5. Step 5: Solve for x
    x = 117,444,040,393.33/547,756.08
  6. Step 6: Final answer
    x = 214,409.38

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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.