Home / 406,384.56-609,634-169,673.36

Finding the Fourth Proportional to 406,384.56, 609,634 and 169,673.36

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Solution

The fourth proportional to 406,384.56, 609,634 and 169,673.36 is: 254,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,384.56 : 609,634 = 169,673.36 : x
  2. Step 2: Convert to fraction form
    406,384.56/609,634 = 169,673.36/x
  3. Step 3: Cross multiply
    406,384.56x = 609,634 × 169,673.36
  4. Step 4: Simplify right side
    406,384.56x = 103,438,649,150.24
  5. Step 5: Solve for x
    x = 103,438,649,150.24/406,384.56
  6. Step 6: Final answer
    x = 254,533.91

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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.