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Finding the Fourth Proportional to 368,184.60, 508,091.57 and 207,036.22

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Solution

The fourth proportional to 368,184.60, 508,091.57 and 207,036.22 is: 285,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,184.60 : 508,091.57 = 207,036.22 : x
  2. Step 2: Convert to fraction form
    368,184.60/508,091.57 = 207,036.22/x
  3. Step 3: Cross multiply
    368,184.60x = 508,091.57 × 207,036.22
  4. Step 4: Simplify right side
    368,184.60x = 105,193,354,491.03
  5. Step 5: Solve for x
    x = 105,193,354,491.03/368,184.60
  6. Step 6: Final answer
    x = 285,708.19

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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.