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Finding the Fourth Proportional to 296,485.60, 409,150.80 and 160,521.04

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Solution

The fourth proportional to 296,485.60, 409,150.80 and 160,521.04 is: 221,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,485.60 : 409,150.80 = 160,521.04 : x
  2. Step 2: Convert to fraction form
    296,485.60/409,150.80 = 160,521.04/x
  3. Step 3: Cross multiply
    296,485.60x = 409,150.80 × 160,521.04
  4. Step 4: Simplify right side
    296,485.60x = 65,677,311,932.83
  5. Step 5: Solve for x
    x = 65,677,311,932.83/296,485.60
  6. Step 6: Final answer
    x = 221,519.40

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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.