Home / 355,702.33-533,554.40-145,340.27

Finding the Fourth Proportional to 355,702.33, 533,554.40 and 145,340.27

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Solution

The fourth proportional to 355,702.33, 533,554.40 and 145,340.27 is: 218,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,702.33 : 533,554.40 = 145,340.27 : x
  2. Step 2: Convert to fraction form
    355,702.33/533,554.40 = 145,340.27/x
  3. Step 3: Cross multiply
    355,702.33x = 533,554.40 × 145,340.27
  4. Step 4: Simplify right side
    355,702.33x = 77,546,938,251.27
  5. Step 5: Solve for x
    x = 77,546,938,251.27/355,702.33
  6. Step 6: Final answer
    x = 218,010.77

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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.