Home / 669,609.48-1,004,416.02-164,172.72

Finding the Fourth Proportional to 669,609.48, 1,004,416.02 and 164,172.72

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Solution

The fourth proportional to 669,609.48, 1,004,416.02 and 164,172.72 is: 246,259.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,609.48 : 1,004,416.02 = 164,172.72 : x
  2. Step 2: Convert to fraction form
    669,609.48/1,004,416.02 = 164,172.72/x
  3. Step 3: Cross multiply
    669,609.48x = 1,004,416.02 × 164,172.72
  4. Step 4: Simplify right side
    669,609.48x = 164,897,710,014.97
  5. Step 5: Solve for x
    x = 164,897,710,014.97/669,609.48
  6. Step 6: Final answer
    x = 246,259.52

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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.