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Finding the Fourth Proportional to 355,334.40, 532,977.30 and 115,444.80

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Solution

The fourth proportional to 355,334.40, 532,977.30 and 115,444.80 is: 173,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,334.40 : 532,977.30 = 115,444.80 : x
  2. Step 2: Convert to fraction form
    355,334.40/532,977.30 = 115,444.80/x
  3. Step 3: Cross multiply
    355,334.40x = 532,977.30 × 115,444.80
  4. Step 4: Simplify right side
    355,334.40x = 61,529,457,803.04
  5. Step 5: Solve for x
    x = 61,529,457,803.04/355,334.40
  6. Step 6: Final answer
    x = 173,159.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.