Finding the Fourth Proportional to 130,645.44, 195,994.08 and 47,545.92
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Solution
The fourth proportional to 130,645.44, 195,994.08 and 47,545.92 is: 71,328.31
Step by Step Solution
- Step 1: Write the proportion equation
130,645.44 : 195,994.08 = 47,545.92 : x - Step 2: Convert to fraction form
130,645.44/195,994.08 = 47,545.92/x - Step 3: Cross multiply
130,645.44x = 195,994.08 × 47,545.92 - Step 4: Simplify right side
130,645.44x = 9,318,718,848.15 - Step 5: Solve for x
x = 9,318,718,848.15/130,645.44 - Step 6: Final answer
x = 71,328.31
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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.