Home / 628,429.44-942,502.04-179,140.72

Finding the Fourth Proportional to 628,429.44, 942,502.04 and 179,140.72

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Solution

The fourth proportional to 628,429.44, 942,502.04 and 179,140.72 is: 268,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,429.44 : 942,502.04 = 179,140.72 : x
  2. Step 2: Convert to fraction form
    628,429.44/942,502.04 = 179,140.72/x
  3. Step 3: Cross multiply
    628,429.44x = 942,502.04 × 179,140.72
  4. Step 4: Simplify right side
    628,429.44x = 168,840,494,047.07
  5. Step 5: Solve for x
    x = 168,840,494,047.07/628,429.44
  6. Step 6: Final answer
    x = 268,670.57

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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.