Finding the Fourth Proportional to 712,378.08, 1,068,567.84 and 179,904.96
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Solution
The fourth proportional to 712,378.08, 1,068,567.84 and 179,904.96 is: 269,857.62
Step by Step Solution
- Step 1: Write the proportion equation
712,378.08 : 1,068,567.84 = 179,904.96 : x - Step 2: Convert to fraction form
712,378.08/1,068,567.84 = 179,904.96/x - Step 3: Cross multiply
712,378.08x = 1,068,567.84 × 179,904.96 - Step 4: Simplify right side
712,378.08x = 192,240,654,512.49 - Step 5: Solve for x
x = 192,240,654,512.49/712,378.08 - Step 6: Final answer
x = 269,857.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.