Finding the Fourth Proportional to 288,260.24, 432,413.40 and 101,313.68
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Solution
The fourth proportional to 288,260.24, 432,413.40 and 101,313.68 is: 151,978.62
Step by Step Solution
- Step 1: Write the proportion equation
288,260.24 : 432,413.40 = 101,313.68 : x - Step 2: Convert to fraction form
288,260.24/432,413.40 = 101,313.68/x - Step 3: Cross multiply
288,260.24x = 432,413.40 × 101,313.68 - Step 4: Simplify right side
288,260.24x = 43,809,392,835.31 - Step 5: Solve for x
x = 43,809,392,835.31/288,260.24 - Step 6: Final answer
x = 151,978.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.