Home / 355,766.40-533,721.02-131,127.93

Finding the Fourth Proportional to 355,766.40, 533,721.02 and 131,127.93

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Solution

The fourth proportional to 355,766.40, 533,721.02 and 131,127.93 is: 196,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,766.40 : 533,721.02 = 131,127.93 : x
  2. Step 2: Convert to fraction form
    355,766.40/533,721.02 = 131,127.93/x
  3. Step 3: Cross multiply
    355,766.40x = 533,721.02 × 131,127.93
  4. Step 4: Simplify right side
    355,766.40x = 69,985,731,894.45
  5. Step 5: Solve for x
    x = 69,985,731,894.45/355,766.40
  6. Step 6: Final answer
    x = 196,718.22

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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.