Home / 547,941.87-821,526.44-210,699.18

Finding the Fourth Proportional to 547,941.87, 821,526.44 and 210,699.18

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Solution

The fourth proportional to 547,941.87, 821,526.44 and 210,699.18 is: 315,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,941.87 : 821,526.44 = 210,699.18 : x
  2. Step 2: Convert to fraction form
    547,941.87/821,526.44 = 210,699.18/x
  3. Step 3: Cross multiply
    547,941.87x = 821,526.44 × 210,699.18
  4. Step 4: Simplify right side
    547,941.87x = 173,094,946,202.82
  5. Step 5: Solve for x
    x = 173,094,946,202.82/547,941.87
  6. Step 6: Final answer
    x = 315,900.20

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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.