Home / 628,237.28-942,365.92-154,922.80

Finding the Fourth Proportional to 628,237.28, 942,365.92 and 154,922.80

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Solution

The fourth proportional to 628,237.28, 942,365.92 and 154,922.80 is: 232,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,237.28 : 942,365.92 = 154,922.80 : x
  2. Step 2: Convert to fraction form
    628,237.28/942,365.92 = 154,922.80/x
  3. Step 3: Cross multiply
    628,237.28x = 942,365.92 × 154,922.80
  4. Step 4: Simplify right side
    628,237.28x = 145,993,966,950.98
  5. Step 5: Solve for x
    x = 145,993,966,950.98/628,237.28
  6. Step 6: Final answer
    x = 232,386.67

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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.