Home / 340,539.27-510,838.20-87,817.47

Finding the Fourth Proportional to 340,539.27, 510,838.20 and 87,817.47

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Solution

The fourth proportional to 340,539.27, 510,838.20 and 87,817.47 is: 131,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,539.27 : 510,838.20 = 87,817.47 : x
  2. Step 2: Convert to fraction form
    340,539.27/510,838.20 = 87,817.47/x
  3. Step 3: Cross multiply
    340,539.27x = 510,838.20 × 87,817.47
  4. Step 4: Simplify right side
    340,539.27x = 44,860,518,303.35
  5. Step 5: Solve for x
    x = 44,860,518,303.35/340,539.27
  6. Step 6: Final answer
    x = 131,733.76

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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.