Finding the Fourth Proportional to 161,803.08, 241,438.77 and 144,991.92
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Solution
The fourth proportional to 161,803.08, 241,438.77 and 144,991.92 is: 216,353.55
Step by Step Solution
- Step 1: Write the proportion equation
161,803.08 : 241,438.77 = 144,991.92 : x - Step 2: Convert to fraction form
161,803.08/241,438.77 = 144,991.92/x - Step 3: Cross multiply
161,803.08x = 241,438.77 × 144,991.92 - Step 4: Simplify right side
161,803.08x = 35,006,670,824.74 - Step 5: Solve for x
x = 35,006,670,824.74/161,803.08 - Step 6: Final answer
x = 216,353.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.