Home / 552,416.81-828,621.87-142,085.39

Finding the Fourth Proportional to 552,416.81, 828,621.87 and 142,085.39

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Solution

The fourth proportional to 552,416.81, 828,621.87 and 142,085.39 is: 213,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,416.81 : 828,621.87 = 142,085.39 : x
  2. Step 2: Convert to fraction form
    552,416.81/828,621.87 = 142,085.39/x
  3. Step 3: Cross multiply
    552,416.81x = 828,621.87 × 142,085.39
  4. Step 4: Simplify right side
    552,416.81x = 117,735,059,489.93
  5. Step 5: Solve for x
    x = 117,735,059,489.93/552,416.81
  6. Step 6: Final answer
    x = 213,127.22

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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.