Home / 236,621.20-354,931.80-143,309.20

Finding the Fourth Proportional to 236,621.20, 354,931.80 and 143,309.20

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Solution

The fourth proportional to 236,621.20, 354,931.80 and 143,309.20 is: 214,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,621.20 : 354,931.80 = 143,309.20 : x
  2. Step 2: Convert to fraction form
    236,621.20/354,931.80 = 143,309.20/x
  3. Step 3: Cross multiply
    236,621.20x = 354,931.80 × 143,309.20
  4. Step 4: Simplify right side
    236,621.20x = 50,864,992,312.56
  5. Step 5: Solve for x
    x = 50,864,992,312.56/236,621.20
  6. Step 6: Final answer
    x = 214,963.80

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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.