Home / 210,020.58-315,030.24-52,249.02

Finding the Fourth Proportional to 210,020.58, 315,030.24 and 52,249.02

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Solution

The fourth proportional to 210,020.58, 315,030.24 and 52,249.02 is: 78,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,020.58 : 315,030.24 = 52,249.02 : x
  2. Step 2: Convert to fraction form
    210,020.58/315,030.24 = 52,249.02/x
  3. Step 3: Cross multiply
    210,020.58x = 315,030.24 × 52,249.02
  4. Step 4: Simplify right side
    210,020.58x = 16,460,021,310.36
  5. Step 5: Solve for x
    x = 16,460,021,310.36/210,020.58
  6. Step 6: Final answer
    x = 78,373.37

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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.