Home / 355,702.25-533,554.29-145,340.19

Finding the Fourth Proportional to 355,702.25, 533,554.29 and 145,340.19

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Solution

The fourth proportional to 355,702.25, 533,554.29 and 145,340.19 is: 218,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,702.25 : 533,554.29 = 145,340.19 : x
  2. Step 2: Convert to fraction form
    355,702.25/533,554.29 = 145,340.19/x
  3. Step 3: Cross multiply
    355,702.25x = 533,554.29 × 145,340.19
  4. Step 4: Simplify right side
    355,702.25x = 77,546,879,580.69
  5. Step 5: Solve for x
    x = 77,546,879,580.69/355,702.25
  6. Step 6: Final answer
    x = 218,010.65

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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.