Home / 355,898.17-533,737.40-103,197.28

Finding the Fourth Proportional to 355,898.17, 533,737.40 and 103,197.28

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Solution

The fourth proportional to 355,898.17, 533,737.40 and 103,197.28 is: 154,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,898.17 : 533,737.40 = 103,197.28 : x
  2. Step 2: Convert to fraction form
    355,898.17/533,737.40 = 103,197.28/x
  3. Step 3: Cross multiply
    355,898.17x = 533,737.40 × 103,197.28
  4. Step 4: Simplify right side
    355,898.17x = 55,080,247,914.27
  5. Step 5: Solve for x
    x = 55,080,247,914.27/355,898.17
  6. Step 6: Final answer
    x = 154,764.07

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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.