Home / 628,443.60-942,652.64-155,133.04

Finding the Fourth Proportional to 628,443.60, 942,652.64 and 155,133.04

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Solution

The fourth proportional to 628,443.60, 942,652.64 and 155,133.04 is: 232,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,443.60 : 942,652.64 = 155,133.04 : x
  2. Step 2: Convert to fraction form
    628,443.60/942,652.64 = 155,133.04/x
  3. Step 3: Cross multiply
    628,443.60x = 942,652.64 × 155,133.04
  4. Step 4: Simplify right side
    628,443.60x = 146,236,569,707.23
  5. Step 5: Solve for x
    x = 146,236,569,707.23/628,443.60
  6. Step 6: Final answer
    x = 232,696.41

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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.