Finding the Fourth Proportional to 340,438.08, 469,775.52 and 189,549.12
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Solution
The fourth proportional to 340,438.08, 469,775.52 and 189,549.12 is: 261,561.62
Step by Step Solution
- Step 1: Write the proportion equation
340,438.08 : 469,775.52 = 189,549.12 : x - Step 2: Convert to fraction form
340,438.08/469,775.52 = 189,549.12/x - Step 3: Cross multiply
340,438.08x = 469,775.52 × 189,549.12 - Step 4: Simplify right side
340,438.08x = 89,045,536,413.54 - Step 5: Solve for x
x = 89,045,536,413.54/340,438.08 - Step 6: Final answer
x = 261,561.62
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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.