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Finding the Fourth Proportional to 224,998.56, 310,485.29 and 123,005.08

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Solution

The fourth proportional to 224,998.56, 310,485.29 and 123,005.08 is: 169,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,998.56 : 310,485.29 = 123,005.08 : x
  2. Step 2: Convert to fraction form
    224,998.56/310,485.29 = 123,005.08/x
  3. Step 3: Cross multiply
    224,998.56x = 310,485.29 × 123,005.08
  4. Step 4: Simplify right side
    224,998.56x = 38,191,267,708.35
  5. Step 5: Solve for x
    x = 38,191,267,708.35/224,998.56
  6. Step 6: Final answer
    x = 169,740.05

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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.