Home / 306,017.45-459,099.95-106,308.80

Finding the Fourth Proportional to 306,017.45, 459,099.95 and 106,308.80

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Solution

The fourth proportional to 306,017.45, 459,099.95 and 106,308.80 is: 159,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,017.45 : 459,099.95 = 106,308.80 : x
  2. Step 2: Convert to fraction form
    306,017.45/459,099.95 = 106,308.80/x
  3. Step 3: Cross multiply
    306,017.45x = 459,099.95 × 106,308.80
  4. Step 4: Simplify right side
    306,017.45x = 48,806,361,937.52
  5. Step 5: Solve for x
    x = 48,806,361,937.52/306,017.45
  6. Step 6: Final answer
    x = 159,488.82

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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.