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Finding the Fourth Proportional to 342,801.60, 514,202.40 and 254,228.10

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Solution

The fourth proportional to 342,801.60, 514,202.40 and 254,228.10 is: 381,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,801.60 : 514,202.40 = 254,228.10 : x
  2. Step 2: Convert to fraction form
    342,801.60/514,202.40 = 254,228.10/x
  3. Step 3: Cross multiply
    342,801.60x = 514,202.40 × 254,228.10
  4. Step 4: Simplify right side
    342,801.60x = 130,724,699,167.44
  5. Step 5: Solve for x
    x = 130,724,699,167.44/342,801.60
  6. Step 6: Final answer
    x = 381,342.15

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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.