Finding the Fourth Proportional to 163,351.02, 225,423.54 and 91,737.30
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Solution
The fourth proportional to 163,351.02, 225,423.54 and 91,737.30 is: 126,596.99
Step by Step Solution
- Step 1: Write the proportion equation
163,351.02 : 225,423.54 = 91,737.30 : x - Step 2: Convert to fraction form
163,351.02/225,423.54 = 91,737.30/x - Step 3: Cross multiply
163,351.02x = 225,423.54 × 91,737.30 - Step 4: Simplify right side
163,351.02x = 20,679,746,916.04 - Step 5: Solve for x
x = 20,679,746,916.04/163,351.02 - Step 6: Final answer
x = 126,596.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.