Home / 628,674.89-943,003.08-155,360.25

Finding the Fourth Proportional to 628,674.89, 943,003.08 and 155,360.25

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Solution

The fourth proportional to 628,674.89, 943,003.08 and 155,360.25 is: 233,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,674.89 : 943,003.08 = 155,360.25 : x
  2. Step 2: Convert to fraction form
    628,674.89/943,003.08 = 155,360.25/x
  3. Step 3: Cross multiply
    628,674.89x = 943,003.08 × 155,360.25
  4. Step 4: Simplify right side
    628,674.89x = 146,505,194,259.57
  5. Step 5: Solve for x
    x = 146,505,194,259.57/628,674.89
  6. Step 6: Final answer
    x = 233,038.09

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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.