Home / 405,918.47-560,153.69-224,638.04

Finding the Fourth Proportional to 405,918.47, 560,153.69 and 224,638.04

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Solution

The fourth proportional to 405,918.47, 560,153.69 and 224,638.04 is: 309,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,918.47 : 560,153.69 = 224,638.04 : x
  2. Step 2: Convert to fraction form
    405,918.47/560,153.69 = 224,638.04/x
  3. Step 3: Cross multiply
    405,918.47x = 560,153.69 × 224,638.04
  4. Step 4: Simplify right side
    405,918.47x = 125,831,823,096.41
  5. Step 5: Solve for x
    x = 125,831,823,096.41/405,918.47
  6. Step 6: Final answer
    x = 309,992.85

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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.