Finding the Fourth Proportional to 130,367.84, 195,545.28 and 71,318.84
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Solution
The fourth proportional to 130,367.84, 195,545.28 and 71,318.84 is: 106,974.72
Step by Step Solution
- Step 1: Write the proportion equation
130,367.84 : 195,545.28 = 71,318.84 : x - Step 2: Convert to fraction form
130,367.84/195,545.28 = 71,318.84/x - Step 3: Cross multiply
130,367.84x = 195,545.28 × 71,318.84 - Step 4: Simplify right side
130,367.84x = 13,946,062,537.08 - Step 5: Solve for x
x = 13,946,062,537.08/130,367.84 - Step 6: Final answer
x = 106,974.72
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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.