Home / 274,289.04-378,555.24-153,476.64

Finding the Fourth Proportional to 274,289.04, 378,555.24 and 153,476.64

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Solution

The fourth proportional to 274,289.04, 378,555.24 and 153,476.64 is: 211,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,289.04 : 378,555.24 = 153,476.64 : x
  2. Step 2: Convert to fraction form
    274,289.04/378,555.24 = 153,476.64/x
  3. Step 3: Cross multiply
    274,289.04x = 378,555.24 × 153,476.64
  4. Step 4: Simplify right side
    274,289.04x = 58,099,386,289.59
  5. Step 5: Solve for x
    x = 58,099,386,289.59/274,289.04
  6. Step 6: Final answer
    x = 211,818.11

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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.