Home / 648,125.76-972,185.76-174,859.20

Finding the Fourth Proportional to 648,125.76, 972,185.76 and 174,859.20

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Solution

The fourth proportional to 648,125.76, 972,185.76 and 174,859.20 is: 262,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,125.76 : 972,185.76 = 174,859.20 : x
  2. Step 2: Convert to fraction form
    648,125.76/972,185.76 = 174,859.20/x
  3. Step 3: Cross multiply
    648,125.76x = 972,185.76 × 174,859.20
  4. Step 4: Simplify right side
    648,125.76x = 169,995,624,244.99
  5. Step 5: Solve for x
    x = 169,995,624,244.99/648,125.76
  6. Step 6: Final answer
    x = 262,288.02

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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.