Home / 628,471.98-942,709.91-155,157.39

Finding the Fourth Proportional to 628,471.98, 942,709.91 and 155,157.39

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Solution

The fourth proportional to 628,471.98, 942,709.91 and 155,157.39 is: 232,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,471.98 : 942,709.91 = 155,157.39 : x
  2. Step 2: Convert to fraction form
    628,471.98/942,709.91 = 155,157.39/x
  3. Step 3: Cross multiply
    628,471.98x = 942,709.91 × 155,157.39
  4. Step 4: Simplify right side
    628,471.98x = 146,268,411,325.56
  5. Step 5: Solve for x
    x = 146,268,411,325.56/628,471.98
  6. Step 6: Final answer
    x = 232,736.57

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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.