Home / 268,433.03-370,439.99-145,925.64

Finding the Fourth Proportional to 268,433.03, 370,439.99 and 145,925.64

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Solution

The fourth proportional to 268,433.03, 370,439.99 and 145,925.64 is: 201,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,433.03 : 370,439.99 = 145,925.64 : x
  2. Step 2: Convert to fraction form
    268,433.03/370,439.99 = 145,925.64/x
  3. Step 3: Cross multiply
    268,433.03x = 370,439.99 × 145,925.64
  4. Step 4: Simplify right side
    268,433.03x = 54,056,691,892.72
  5. Step 5: Solve for x
    x = 54,056,691,892.72/268,433.03
  6. Step 6: Final answer
    x = 201,378.69

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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.