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Finding the Fourth Proportional to 255,068.40, 382,165.20 and 166,276.20

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Solution

The fourth proportional to 255,068.40, 382,165.20 and 166,276.20 is: 249,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,068.40 : 382,165.20 = 166,276.20 : x
  2. Step 2: Convert to fraction form
    255,068.40/382,165.20 = 166,276.20/x
  3. Step 3: Cross multiply
    255,068.40x = 382,165.20 × 166,276.20
  4. Step 4: Simplify right side
    255,068.40x = 63,544,977,228.24
  5. Step 5: Solve for x
    x = 63,544,977,228.24/255,068.40
  6. Step 6: Final answer
    x = 249,129.16

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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.