Home / 306,816.20-459,950.70-119,784.20

Finding the Fourth Proportional to 306,816.20, 459,950.70 and 119,784.20

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Solution

The fourth proportional to 306,816.20, 459,950.70 and 119,784.20 is: 179,569.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,816.20 : 459,950.70 = 119,784.20 : x
  2. Step 2: Convert to fraction form
    306,816.20/459,950.70 = 119,784.20/x
  3. Step 3: Cross multiply
    306,816.20x = 459,950.70 × 119,784.20
  4. Step 4: Simplify right side
    306,816.20x = 55,094,826,638.94
  5. Step 5: Solve for x
    x = 55,094,826,638.94/306,816.20
  6. Step 6: Final answer
    x = 179,569.48

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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.