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Finding the Fourth Proportional to 348,455.60, 480,855.12 and 197,549.36

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Solution

The fourth proportional to 348,455.60, 480,855.12 and 197,549.36 is: 272,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,455.60 : 480,855.12 = 197,549.36 : x
  2. Step 2: Convert to fraction form
    348,455.60/480,855.12 = 197,549.36/x
  3. Step 3: Cross multiply
    348,455.60x = 480,855.12 × 197,549.36
  4. Step 4: Simplify right side
    348,455.60x = 94,992,621,208.72
  5. Step 5: Solve for x
    x = 94,992,621,208.72/348,455.60
  6. Step 6: Final answer
    x = 272,610.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.