Finding the Fourth Proportional to 295,822.84, 408,235.44 and 161,686.84
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Solution
The fourth proportional to 295,822.84, 408,235.44 and 161,686.84 is: 223,127.80
Step by Step Solution
- Step 1: Write the proportion equation
295,822.84 : 408,235.44 = 161,686.84 : x - Step 2: Convert to fraction form
295,822.84/408,235.44 = 161,686.84/x - Step 3: Cross multiply
295,822.84x = 408,235.44 × 161,686.84 - Step 4: Simplify right side
295,822.84x = 66,006,298,269.61 - Step 5: Solve for x
x = 66,006,298,269.61/295,822.84 - Step 6: Final answer
x = 223,127.80
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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.