Home / 415,914.20-623,564.10-166,467.80

Finding the Fourth Proportional to 415,914.20, 623,564.10 and 166,467.80

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Solution

The fourth proportional to 415,914.20, 623,564.10 and 166,467.80 is: 249,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,914.20 : 623,564.10 = 166,467.80 : x
  2. Step 2: Convert to fraction form
    415,914.20/623,564.10 = 166,467.80/x
  3. Step 3: Cross multiply
    415,914.20x = 623,564.10 × 166,467.80
  4. Step 4: Simplify right side
    415,914.20x = 103,803,343,885.98
  5. Step 5: Solve for x
    x = 103,803,343,885.98/415,914.20
  6. Step 6: Final answer
    x = 249,578.74

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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.