Home / 355,823.52-533,733.84-142,686.72

Finding the Fourth Proportional to 355,823.52, 533,733.84 and 142,686.72

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Solution

The fourth proportional to 355,823.52, 533,733.84 and 142,686.72 is: 214,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,823.52 : 533,733.84 = 142,686.72 : x
  2. Step 2: Convert to fraction form
    355,823.52/533,733.84 = 142,686.72/x
  3. Step 3: Cross multiply
    355,823.52x = 533,733.84 × 142,686.72
  4. Step 4: Simplify right side
    355,823.52x = 76,156,730,982.60
  5. Step 5: Solve for x
    x = 76,156,730,982.60/355,823.52
  6. Step 6: Final answer
    x = 214,029.50

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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.