Home / 628,257.51-942,373.98-178,981.29

Finding the Fourth Proportional to 628,257.51, 942,373.98 and 178,981.29

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Solution

The fourth proportional to 628,257.51, 942,373.98 and 178,981.29 is: 268,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,257.51 : 942,373.98 = 178,981.29 : x
  2. Step 2: Convert to fraction form
    628,257.51/942,373.98 = 178,981.29/x
  3. Step 3: Cross multiply
    628,257.51x = 942,373.98 × 178,981.29
  4. Step 4: Simplify right side
    628,257.51x = 168,667,310,602.83
  5. Step 5: Solve for x
    x = 168,667,310,602.83/628,257.51
  6. Step 6: Final answer
    x = 268,468.44

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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.