Home / 355,666.20-533,316.90-106,315.80

Finding the Fourth Proportional to 355,666.20, 533,316.90 and 106,315.80

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Solution

The fourth proportional to 355,666.20, 533,316.90 and 106,315.80 is: 159,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,666.20 : 533,316.90 = 106,315.80 : x
  2. Step 2: Convert to fraction form
    355,666.20/533,316.90 = 106,315.80/x
  3. Step 3: Cross multiply
    355,666.20x = 533,316.90 × 106,315.80
  4. Step 4: Simplify right side
    355,666.20x = 56,700,012,877.02
  5. Step 5: Solve for x
    x = 56,700,012,877.02/355,666.20
  6. Step 6: Final answer
    x = 159,419.18

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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.