Home / 628,055.43-942,113.93-178,807.83

Finding the Fourth Proportional to 628,055.43, 942,113.93 and 178,807.83

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Solution

The fourth proportional to 628,055.43, 942,113.93 and 178,807.83 is: 268,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,055.43 : 942,113.93 = 178,807.83 : x
  2. Step 2: Convert to fraction form
    628,055.43/942,113.93 = 178,807.83/x
  3. Step 3: Cross multiply
    628,055.43x = 942,113.93 × 178,807.83
  4. Step 4: Simplify right side
    628,055.43x = 168,457,346,542.03
  5. Step 5: Solve for x
    x = 168,457,346,542.03/628,055.43
  6. Step 6: Final answer
    x = 268,220.51

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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.