Home / 210,222.14-315,285.89-60,429.02

Finding the Fourth Proportional to 210,222.14, 315,285.89 and 60,429.02

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Solution

The fourth proportional to 210,222.14, 315,285.89 and 60,429.02 is: 90,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,222.14 : 315,285.89 = 60,429.02 : x
  2. Step 2: Convert to fraction form
    210,222.14/315,285.89 = 60,429.02/x
  3. Step 3: Cross multiply
    210,222.14x = 315,285.89 × 60,429.02
  4. Step 4: Simplify right side
    210,222.14x = 19,052,415,473.95
  5. Step 5: Solve for x
    x = 19,052,415,473.95/210,222.14
  6. Step 6: Final answer
    x = 90,629.92

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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.