Home / 257,276.64-355,068.06-148,385.22

Finding the Fourth Proportional to 257,276.64, 355,068.06 and 148,385.22

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Solution

The fourth proportional to 257,276.64, 355,068.06 and 148,385.22 is: 204,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,276.64 : 355,068.06 = 148,385.22 : x
  2. Step 2: Convert to fraction form
    257,276.64/355,068.06 = 148,385.22/x
  3. Step 3: Cross multiply
    257,276.64x = 355,068.06 × 148,385.22
  4. Step 4: Simplify right side
    257,276.64x = 52,686,852,198.07
  5. Step 5: Solve for x
    x = 52,686,852,198.07/257,276.64
  6. Step 6: Final answer
    x = 204,786.77

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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.