Home / 370,309.06-555,464.40-133,818.76

Finding the Fourth Proportional to 370,309.06, 555,464.40 and 133,818.76

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Solution

The fourth proportional to 370,309.06, 555,464.40 and 133,818.76 is: 200,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,309.06 : 555,464.40 = 133,818.76 : x
  2. Step 2: Convert to fraction form
    370,309.06/555,464.40 = 133,818.76/x
  3. Step 3: Cross multiply
    370,309.06x = 555,464.40 × 133,818.76
  4. Step 4: Simplify right side
    370,309.06x = 74,331,557,232.14
  5. Step 5: Solve for x
    x = 74,331,557,232.14/370,309.06
  6. Step 6: Final answer
    x = 200,728.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.