Finding the Fourth Proportional to 238,235.18, 328,545.14 and 161,868.60
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Solution
The fourth proportional to 238,235.18, 328,545.14 and 161,868.60 is: 223,229.59
Step by Step Solution
- Step 1: Write the proportion equation
238,235.18 : 328,545.14 = 161,868.60 : x - Step 2: Convert to fraction form
238,235.18/328,545.14 = 161,868.60/x - Step 3: Cross multiply
238,235.18x = 328,545.14 × 161,868.60 - Step 4: Simplify right side
238,235.18x = 53,181,141,039.26 - Step 5: Solve for x
x = 53,181,141,039.26/238,235.18 - Step 6: Final answer
x = 223,229.59
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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.