Home / 375,421.14-518,089.50-214,272.86

Finding the Fourth Proportional to 375,421.14, 518,089.50 and 214,272.86

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Solution

The fourth proportional to 375,421.14, 518,089.50 and 214,272.86 is: 295,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,421.14 : 518,089.50 = 214,272.86 : x
  2. Step 2: Convert to fraction form
    375,421.14/518,089.50 = 214,272.86/x
  3. Step 3: Cross multiply
    375,421.14x = 518,089.50 × 214,272.86
  4. Step 4: Simplify right side
    375,421.14x = 111,012,516,310.52
  5. Step 5: Solve for x
    x = 111,012,516,310.52/375,421.14
  6. Step 6: Final answer
    x = 295,701.29

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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.