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Finding the Fourth Proportional to 671,151.60, 926,188.92 and 369,345.60

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Solution

The fourth proportional to 671,151.60, 926,188.92 and 369,345.60 is: 509,696.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,151.60 : 926,188.92 = 369,345.60 : x
  2. Step 2: Convert to fraction form
    671,151.60/926,188.92 = 369,345.60/x
  3. Step 3: Cross multiply
    671,151.60x = 926,188.92 × 369,345.60
  4. Step 4: Simplify right side
    671,151.60x = 342,083,802,370.75
  5. Step 5: Solve for x
    x = 342,083,802,370.75/671,151.60
  6. Step 6: Final answer
    x = 509,696.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.