Home / 456,447.78-684,733.98-190,146.02

Finding the Fourth Proportional to 456,447.78, 684,733.98 and 190,146.02

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Solution

The fourth proportional to 456,447.78, 684,733.98 and 190,146.02 is: 285,244.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,447.78 : 684,733.98 = 190,146.02 : x
  2. Step 2: Convert to fraction form
    456,447.78/684,733.98 = 190,146.02/x
  3. Step 3: Cross multiply
    456,447.78x = 684,733.98 × 190,146.02
  4. Step 4: Simplify right side
    456,447.78x = 130,199,437,632.09
  5. Step 5: Solve for x
    x = 130,199,437,632.09/456,447.78
  6. Step 6: Final answer
    x = 285,244.98

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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.