Home / 535,014.21-802,514.62-130,208.74

Finding the Fourth Proportional to 535,014.21, 802,514.62 and 130,208.74

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Solution

The fourth proportional to 535,014.21, 802,514.62 and 130,208.74 is: 195,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,014.21 : 802,514.62 = 130,208.74 : x
  2. Step 2: Convert to fraction form
    535,014.21/802,514.62 = 130,208.74/x
  3. Step 3: Cross multiply
    535,014.21x = 802,514.62 × 130,208.74
  4. Step 4: Simplify right side
    535,014.21x = 104,494,417,501.78
  5. Step 5: Solve for x
    x = 104,494,417,501.78/535,014.21
  6. Step 6: Final answer
    x = 195,311.48

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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.