Home / 380,367.18-524,923.11-210,601.32

Finding the Fourth Proportional to 380,367.18, 524,923.11 and 210,601.32

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Solution

The fourth proportional to 380,367.18, 524,923.11 and 210,601.32 is: 290,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,367.18 : 524,923.11 = 210,601.32 : x
  2. Step 2: Convert to fraction form
    380,367.18/524,923.11 = 210,601.32/x
  3. Step 3: Cross multiply
    380,367.18x = 524,923.11 × 210,601.32
  4. Step 4: Simplify right side
    380,367.18x = 110,549,499,864.51
  5. Step 5: Solve for x
    x = 110,549,499,864.51/380,367.18
  6. Step 6: Final answer
    x = 290,638.90

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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.