Home / 405,918.74-560,154.03-224,638.31

Finding the Fourth Proportional to 405,918.74, 560,154.03 and 224,638.31

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Solution

The fourth proportional to 405,918.74, 560,154.03 and 224,638.31 is: 309,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,918.74 : 560,154.03 = 224,638.31 : x
  2. Step 2: Convert to fraction form
    405,918.74/560,154.03 = 224,638.31/x
  3. Step 3: Cross multiply
    405,918.74x = 560,154.03 × 224,638.31
  4. Step 4: Simplify right side
    405,918.74x = 125,832,056,460.47
  5. Step 5: Solve for x
    x = 125,832,056,460.47/405,918.74
  6. Step 6: Final answer
    x = 309,993.22

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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.