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Finding the Fourth Proportional to 343,905.81, 473,809.32 and 266,113.97

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Solution

The fourth proportional to 343,905.81, 473,809.32 and 266,113.97 is: 366,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,905.81 : 473,809.32 = 266,113.97 : x
  2. Step 2: Convert to fraction form
    343,905.81/473,809.32 = 266,113.97/x
  3. Step 3: Cross multiply
    343,905.81x = 473,809.32 × 266,113.97
  4. Step 4: Simplify right side
    343,905.81x = 126,087,276,799.15
  5. Step 5: Solve for x
    x = 126,087,276,799.15/343,905.81
  6. Step 6: Final answer
    x = 366,633.17

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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.