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Finding the Fourth Proportional to 259,996.08, 390,017.88 and 73,006.32

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Solution

The fourth proportional to 259,996.08, 390,017.88 and 73,006.32 is: 109,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,996.08 : 390,017.88 = 73,006.32 : x
  2. Step 2: Convert to fraction form
    259,996.08/390,017.88 = 73,006.32/x
  3. Step 3: Cross multiply
    259,996.08x = 390,017.88 × 73,006.32
  4. Step 4: Simplify right side
    259,996.08x = 28,473,770,153.00
  5. Step 5: Solve for x
    x = 28,473,770,153.00/259,996.08
  6. Step 6: Final answer
    x = 109,516.15

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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.