Finding the Fourth Proportional to 159,335.24, 219,740.82 and 125,742.92
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Solution
The fourth proportional to 159,335.24, 219,740.82 and 125,742.92 is: 173,413.32
Step by Step Solution
- Step 1: Write the proportion equation
159,335.24 : 219,740.82 = 125,742.92 : x - Step 2: Convert to fraction form
159,335.24/219,740.82 = 125,742.92/x - Step 3: Cross multiply
159,335.24x = 219,740.82 × 125,742.92 - Step 4: Simplify right side
159,335.24x = 27,630,852,349.99 - Step 5: Solve for x
x = 27,630,852,349.99/159,335.24 - Step 6: Final answer
x = 173,413.32
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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.