Home / 259,927.54-389,905.06-72,953.62

Finding the Fourth Proportional to 259,927.54, 389,905.06 and 72,953.62

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Solution

The fourth proportional to 259,927.54, 389,905.06 and 72,953.62 is: 109,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,927.54 : 389,905.06 = 72,953.62 : x
  2. Step 2: Convert to fraction form
    259,927.54/389,905.06 = 72,953.62/x
  3. Step 3: Cross multiply
    259,927.54x = 389,905.06 × 72,953.62
  4. Step 4: Simplify right side
    259,927.54x = 28,444,985,583.32
  5. Step 5: Solve for x
    x = 28,444,985,583.32/259,927.54
  6. Step 6: Final answer
    x = 109,434.29

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1.5x scale

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.