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Finding the Fourth Proportional to 174,985.32, 262,519.70 and 56,656.70

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Solution

The fourth proportional to 174,985.32, 262,519.70 and 56,656.70 is: 84,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,985.32 : 262,519.70 = 56,656.70 : x
  2. Step 2: Convert to fraction form
    174,985.32/262,519.70 = 56,656.70/x
  3. Step 3: Cross multiply
    174,985.32x = 262,519.70 × 56,656.70
  4. Step 4: Simplify right side
    174,985.32x = 14,873,499,886.99
  5. Step 5: Solve for x
    x = 14,873,499,886.99/174,985.32
  6. Step 6: Final answer
    x = 84,998.56

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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.