Home / 355,899.20-533,848.80-190,011.20

Finding the Fourth Proportional to 355,899.20, 533,848.80 and 190,011.20

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Solution

The fourth proportional to 355,899.20, 533,848.80 and 190,011.20 is: 285,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,899.20 : 533,848.80 = 190,011.20 : x
  2. Step 2: Convert to fraction form
    355,899.20/533,848.80 = 190,011.20/x
  3. Step 3: Cross multiply
    355,899.20x = 533,848.80 × 190,011.20
  4. Step 4: Simplify right side
    355,899.20x = 101,437,251,106.56
  5. Step 5: Solve for x
    x = 101,437,251,106.56/355,899.20
  6. Step 6: Final answer
    x = 285,016.80

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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.