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Finding the Fourth Proportional to 276,005.60, 414,008.40 and 245,938.40

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Solution

The fourth proportional to 276,005.60, 414,008.40 and 245,938.40 is: 368,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,005.60 : 414,008.40 = 245,938.40 : x
  2. Step 2: Convert to fraction form
    276,005.60/414,008.40 = 245,938.40/x
  3. Step 3: Cross multiply
    276,005.60x = 414,008.40 × 245,938.40
  4. Step 4: Simplify right side
    276,005.60x = 101,820,563,482.56
  5. Step 5: Solve for x
    x = 101,820,563,482.56/276,005.60
  6. Step 6: Final answer
    x = 368,907.60

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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.