Home / 355,875.41-533,819.28-131,120.15

Finding the Fourth Proportional to 355,875.41, 533,819.28 and 131,120.15

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Solution

The fourth proportional to 355,875.41, 533,819.28 and 131,120.15 is: 196,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,875.41 : 533,819.28 = 131,120.15 : x
  2. Step 2: Convert to fraction form
    355,875.41/533,819.28 = 131,120.15/x
  3. Step 3: Cross multiply
    355,875.41x = 533,819.28 × 131,120.15
  4. Step 4: Simplify right side
    355,875.41x = 69,994,461,397.40
  5. Step 5: Solve for x
    x = 69,994,461,397.40/355,875.41
  6. Step 6: Final answer
    x = 196,682.49

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1.5x scale

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.