Home / 303,532.20-455,298.30-214,885.80

Finding the Fourth Proportional to 303,532.20, 455,298.30 and 214,885.80

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Solution

The fourth proportional to 303,532.20, 455,298.30 and 214,885.80 is: 322,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,532.20 : 455,298.30 = 214,885.80 : x
  2. Step 2: Convert to fraction form
    303,532.20/455,298.30 = 214,885.80/x
  3. Step 3: Cross multiply
    303,532.20x = 455,298.30 × 214,885.80
  4. Step 4: Simplify right side
    303,532.20x = 97,837,139,434.14
  5. Step 5: Solve for x
    x = 97,837,139,434.14/303,532.20
  6. Step 6: Final answer
    x = 322,328.70

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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.