Home / 370,221.12-510,645.32-227,038.24

Finding the Fourth Proportional to 370,221.12, 510,645.32 and 227,038.24

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Solution

The fourth proportional to 370,221.12, 510,645.32 and 227,038.24 is: 313,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,221.12 : 510,645.32 = 227,038.24 : x
  2. Step 2: Convert to fraction form
    370,221.12/510,645.32 = 227,038.24/x
  3. Step 3: Cross multiply
    370,221.12x = 510,645.32 × 227,038.24
  4. Step 4: Simplify right side
    370,221.12x = 115,936,014,717.04
  5. Step 5: Solve for x
    x = 115,936,014,717.04/370,221.12
  6. Step 6: Final answer
    x = 313,153.43

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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.