Home / 380,156.32-524,622.72-210,406.24

Finding the Fourth Proportional to 380,156.32, 524,622.72 and 210,406.24

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Solution

The fourth proportional to 380,156.32, 524,622.72 and 210,406.24 is: 290,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,156.32 : 524,622.72 = 210,406.24 : x
  2. Step 2: Convert to fraction form
    380,156.32/524,622.72 = 210,406.24/x
  3. Step 3: Cross multiply
    380,156.32x = 524,622.72 × 210,406.24
  4. Step 4: Simplify right side
    380,156.32x = 110,383,893,933.77
  5. Step 5: Solve for x
    x = 110,383,893,933.77/380,156.32
  6. Step 6: Final answer
    x = 290,364.48

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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.