Home / 355,416.50-533,152.30-118,760.02

Finding the Fourth Proportional to 355,416.50, 533,152.30 and 118,760.02

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Solution

The fourth proportional to 355,416.50, 533,152.30 and 118,760.02 is: 178,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,416.50 : 533,152.30 = 118,760.02 : x
  2. Step 2: Convert to fraction form
    355,416.50/533,152.30 = 118,760.02/x
  3. Step 3: Cross multiply
    355,416.50x = 533,152.30 × 118,760.02
  4. Step 4: Simplify right side
    355,416.50x = 63,317,176,181.27
  5. Step 5: Solve for x
    x = 63,317,176,181.27/355,416.50
  6. Step 6: Final answer
    x = 178,149.23

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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.