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Finding the Fourth Proportional to 487,552.32, 731,197.44 and 171,967.68

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Solution

The fourth proportional to 487,552.32, 731,197.44 and 171,967.68 is: 257,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,552.32 : 731,197.44 = 171,967.68 : x
  2. Step 2: Convert to fraction form
    487,552.32/731,197.44 = 171,967.68/x
  3. Step 3: Cross multiply
    487,552.32x = 731,197.44 × 171,967.68
  4. Step 4: Simplify right side
    487,552.32x = 125,742,327,378.74
  5. Step 5: Solve for x
    x = 125,742,327,378.74/487,552.32
  6. Step 6: Final answer
    x = 257,905.30

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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.