Finding the Fourth Proportional to 485,703.37, 728,113.99 and 169,988.05
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Solution
The fourth proportional to 485,703.37, 728,113.99 and 169,988.05 is: 254,827.71
Step by Step Solution
- Step 1: Write the proportion equation
485,703.37 : 728,113.99 = 169,988.05 : x - Step 2: Convert to fraction form
485,703.37/728,113.99 = 169,988.05/x - Step 3: Cross multiply
485,703.37x = 728,113.99 × 169,988.05 - Step 4: Simplify right side
485,703.37x = 123,770,677,337.82 - Step 5: Solve for x
x = 123,770,677,337.82/485,703.37 - Step 6: Final answer
x = 254,827.71
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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.