Home / 370,215.12-510,637.05-227,032.23

Finding the Fourth Proportional to 370,215.12, 510,637.05 and 227,032.23

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Solution

The fourth proportional to 370,215.12, 510,637.05 and 227,032.23 is: 313,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,215.12 : 510,637.05 = 227,032.23 : x
  2. Step 2: Convert to fraction form
    370,215.12/510,637.05 = 227,032.23/x
  3. Step 3: Cross multiply
    370,215.12x = 510,637.05 × 227,032.23
  4. Step 4: Simplify right side
    370,215.12x = 115,931,068,182.12
  5. Step 5: Solve for x
    x = 115,931,068,182.12/370,215.12
  6. Step 6: Final answer
    x = 313,145.15

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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.