Home / 227,237.20-340,855.80-143,256.40

Finding the Fourth Proportional to 227,237.20, 340,855.80 and 143,256.40

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Solution

The fourth proportional to 227,237.20, 340,855.80 and 143,256.40 is: 214,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,237.20 : 340,855.80 = 143,256.40 : x
  2. Step 2: Convert to fraction form
    227,237.20/340,855.80 = 143,256.40/x
  3. Step 3: Cross multiply
    227,237.20x = 340,855.80 × 143,256.40
  4. Step 4: Simplify right side
    227,237.20x = 48,829,774,827.12
  5. Step 5: Solve for x
    x = 48,829,774,827.12/227,237.20
  6. Step 6: Final answer
    x = 214,884.60

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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.