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Finding the Fourth Proportional to 304,813.60, 457,220.40 and 127,261.60

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Solution

The fourth proportional to 304,813.60, 457,220.40 and 127,261.60 is: 190,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,813.60 : 457,220.40 = 127,261.60 : x
  2. Step 2: Convert to fraction form
    304,813.60/457,220.40 = 127,261.60/x
  3. Step 3: Cross multiply
    304,813.60x = 457,220.40 × 127,261.60
  4. Step 4: Simplify right side
    304,813.60x = 58,186,599,656.64
  5. Step 5: Solve for x
    x = 58,186,599,656.64/304,813.60
  6. Step 6: Final answer
    x = 190,892.40

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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.