Home / 308,583.45-425,673.63-179,507.40

Finding the Fourth Proportional to 308,583.45, 425,673.63 and 179,507.40

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Solution

The fourth proportional to 308,583.45, 425,673.63 and 179,507.40 is: 247,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,583.45 : 425,673.63 = 179,507.40 : x
  2. Step 2: Convert to fraction form
    308,583.45/425,673.63 = 179,507.40/x
  3. Step 3: Cross multiply
    308,583.45x = 425,673.63 × 179,507.40
  4. Step 4: Simplify right side
    308,583.45x = 76,411,566,569.86
  5. Step 5: Solve for x
    x = 76,411,566,569.86/308,583.45
  6. Step 6: Final answer
    x = 247,620.43

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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.