Home / 228,631.64-315,621.06-152,277.80

Finding the Fourth Proportional to 228,631.64, 315,621.06 and 152,277.80

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Solution

The fourth proportional to 228,631.64, 315,621.06 and 152,277.80 is: 210,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,631.64 : 315,621.06 = 152,277.80 : x
  2. Step 2: Convert to fraction form
    228,631.64/315,621.06 = 152,277.80/x
  3. Step 3: Cross multiply
    228,631.64x = 315,621.06 × 152,277.80
  4. Step 4: Simplify right side
    228,631.64x = 48,062,080,650.47
  5. Step 5: Solve for x
    x = 48,062,080,650.47/228,631.64
  6. Step 6: Final answer
    x = 210,216.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.