Finding the Fourth Proportional to 96,957.50, 145,436.25 and 30,402.99
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Solution
The fourth proportional to 96,957.50, 145,436.25 and 30,402.99 is: 45,604.48
Step by Step Solution
- Step 1: Write the proportion equation
96,957.50 : 145,436.25 = 30,402.99 : x - Step 2: Convert to fraction form
96,957.50/145,436.25 = 30,402.99/x - Step 3: Cross multiply
96,957.50x = 145,436.25 × 30,402.99 - Step 4: Simplify right side
96,957.50x = 4,421,696,051.20 - Step 5: Solve for x
x = 4,421,696,051.20/96,957.50 - Step 6: Final answer
x = 45,604.48
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1.5x scale
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.