Home / 405,461.09-559,513.71-224,162.44

Finding the Fourth Proportional to 405,461.09, 559,513.71 and 224,162.44

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Solution

The fourth proportional to 405,461.09, 559,513.71 and 224,162.44 is: 309,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,461.09 : 559,513.71 = 224,162.44 : x
  2. Step 2: Convert to fraction form
    405,461.09/559,513.71 = 224,162.44/x
  3. Step 3: Cross multiply
    405,461.09x = 559,513.71 × 224,162.44
  4. Step 4: Simplify right side
    405,461.09x = 125,421,957,048.27
  5. Step 5: Solve for x
    x = 125,421,957,048.27/405,461.09
  6. Step 6: Final answer
    x = 309,331.67

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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.