Home / 210,437.39-315,656.09-52,665.85

Finding the Fourth Proportional to 210,437.39, 315,656.09 and 52,665.85

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Solution

The fourth proportional to 210,437.39, 315,656.09 and 52,665.85 is: 78,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,437.39 : 315,656.09 = 52,665.85 : x
  2. Step 2: Convert to fraction form
    210,437.39/315,656.09 = 52,665.85/x
  3. Step 3: Cross multiply
    210,437.39x = 315,656.09 × 52,665.85
  4. Step 4: Simplify right side
    210,437.39x = 16,624,294,840.70
  5. Step 5: Solve for x
    x = 16,624,294,840.70/210,437.39
  6. Step 6: Final answer
    x = 78,998.77

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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.