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Finding the Fourth Proportional to 229,485.60, 344,325.60 and 145,310.40

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Solution

The fourth proportional to 229,485.60, 344,325.60 and 145,310.40 is: 218,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,485.60 : 344,325.60 = 145,310.40 : x
  2. Step 2: Convert to fraction form
    229,485.60/344,325.60 = 145,310.40/x
  3. Step 3: Cross multiply
    229,485.60x = 344,325.60 × 145,310.40
  4. Step 4: Simplify right side
    229,485.60x = 50,034,090,666.24
  5. Step 5: Solve for x
    x = 50,034,090,666.24/229,485.60
  6. Step 6: Final answer
    x = 218,027.15

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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.