Home / 628,479.06-942,720.51-155,164.47

Finding the Fourth Proportional to 628,479.06, 942,720.51 and 155,164.47

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Solution

The fourth proportional to 628,479.06, 942,720.51 and 155,164.47 is: 232,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,479.06 : 942,720.51 = 155,164.47 : x
  2. Step 2: Convert to fraction form
    628,479.06/942,720.51 = 155,164.47/x
  3. Step 3: Cross multiply
    628,479.06x = 942,720.51 × 155,164.47
  4. Step 4: Simplify right side
    628,479.06x = 146,276,728,292.28
  5. Step 5: Solve for x
    x = 146,276,728,292.28/628,479.06
  6. Step 6: Final answer
    x = 232,747.18

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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.