Home / 355,915.34-533,951.43-103,206.38

Finding the Fourth Proportional to 355,915.34, 533,951.43 and 103,206.38

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Solution

The fourth proportional to 355,915.34, 533,951.43 and 103,206.38 is: 154,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,915.34 : 533,951.43 = 103,206.38 : x
  2. Step 2: Convert to fraction form
    355,915.34/533,951.43 = 103,206.38/x
  3. Step 3: Cross multiply
    355,915.34x = 533,951.43 × 103,206.38
  4. Step 4: Simplify right side
    355,915.34x = 55,107,193,109.26
  5. Step 5: Solve for x
    x = 55,107,193,109.26/355,915.34
  6. Step 6: Final answer
    x = 154,832.31

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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.