Finding the Fourth Proportional to 648,251.20, 972,376.80 and 174,935.80
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Solution
The fourth proportional to 648,251.20, 972,376.80 and 174,935.80 is: 262,403.70
Step by Step Solution
- Step 1: Write the proportion equation
648,251.20 : 972,376.80 = 174,935.80 : x - Step 2: Convert to fraction form
648,251.20/972,376.80 = 174,935.80/x - Step 3: Cross multiply
648,251.20x = 972,376.80 × 174,935.80 - Step 4: Simplify right side
648,251.20x = 170,103,513,409.44 - Step 5: Solve for x
x = 170,103,513,409.44/648,251.20 - Step 6: Final answer
x = 262,403.70
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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.