Home / 380,417.81-524,886.44-225,290.77

Finding the Fourth Proportional to 380,417.81, 524,886.44 and 225,290.77

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Solution

The fourth proportional to 380,417.81, 524,886.44 and 225,290.77 is: 310,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,417.81 : 524,886.44 = 225,290.77 : x
  2. Step 2: Convert to fraction form
    380,417.81/524,886.44 = 225,290.77/x
  3. Step 3: Cross multiply
    380,417.81x = 524,886.44 × 225,290.77
  4. Step 4: Simplify right side
    380,417.81x = 118,252,067,791.49
  5. Step 5: Solve for x
    x = 118,252,067,791.49/380,417.81
  6. Step 6: Final answer
    x = 310,847.88

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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.