Home / 356,610.36-492,172.69-220,688.04

Finding the Fourth Proportional to 356,610.36, 492,172.69 and 220,688.04

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Solution

The fourth proportional to 356,610.36, 492,172.69 and 220,688.04 is: 304,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,610.36 : 492,172.69 = 220,688.04 : x
  2. Step 2: Convert to fraction form
    356,610.36/492,172.69 = 220,688.04/x
  3. Step 3: Cross multiply
    356,610.36x = 492,172.69 × 220,688.04
  4. Step 4: Simplify right side
    356,610.36x = 108,616,626,297.63
  5. Step 5: Solve for x
    x = 108,616,626,297.63/356,610.36
  6. Step 6: Final answer
    x = 304,580.68

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1.5x scale

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.