Home / 303,208.20-454,812.30-103,498.65

Finding the Fourth Proportional to 303,208.20, 454,812.30 and 103,498.65

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Solution

The fourth proportional to 303,208.20, 454,812.30 and 103,498.65 is: 155,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,208.20 : 454,812.30 = 103,498.65 : x
  2. Step 2: Convert to fraction form
    303,208.20/454,812.30 = 103,498.65/x
  3. Step 3: Cross multiply
    303,208.20x = 454,812.30 × 103,498.65
  4. Step 4: Simplify right side
    303,208.20x = 47,072,459,053.40
  5. Step 5: Solve for x
    x = 47,072,459,053.40/303,208.20
  6. Step 6: Final answer
    x = 155,247.98

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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.