Finding the Fourth Proportional to 485,252.67, 727,947.05 and 169,637.79
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Solution
The fourth proportional to 485,252.67, 727,947.05 and 169,637.79 is: 254,480.47
Step by Step Solution
- Step 1: Write the proportion equation
485,252.67 : 727,947.05 = 169,637.79 : x - Step 2: Convert to fraction form
485,252.67/727,947.05 = 169,637.79/x - Step 3: Cross multiply
485,252.67x = 727,947.05 × 169,637.79 - Step 4: Simplify right side
485,252.67x = 123,487,327,950.83 - Step 5: Solve for x
x = 123,487,327,950.83/485,252.67 - Step 6: Final answer
x = 254,480.47
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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.