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Finding the Fourth Proportional to 245,402.80, 368,104.20 and 166,087.60

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Solution

The fourth proportional to 245,402.80, 368,104.20 and 166,087.60 is: 249,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,402.80 : 368,104.20 = 166,087.60 : x
  2. Step 2: Convert to fraction form
    245,402.80/368,104.20 = 166,087.60/x
  3. Step 3: Cross multiply
    245,402.80x = 368,104.20 × 166,087.60
  4. Step 4: Simplify right side
    245,402.80x = 61,137,543,127.92
  5. Step 5: Solve for x
    x = 61,137,543,127.92/245,402.80
  6. Step 6: Final answer
    x = 249,131.40

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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.