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Finding the Fourth Proportional to 615,039, 922,714.02 and 171,807

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Solution

The fourth proportional to 615,039, 922,714.02 and 171,807 is: 257,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,039 : 922,714.02 = 171,807 : x
  2. Step 2: Convert to fraction form
    615,039/922,714.02 = 171,807/x
  3. Step 3: Cross multiply
    615,039x = 922,714.02 × 171,807
  4. Step 4: Simplify right side
    615,039x = 158,528,727,634.14
  5. Step 5: Solve for x
    x = 158,528,727,634.14/615,039
  6. Step 6: Final answer
    x = 257,753.94

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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.