Finding the Fourth Proportional to 136,292.42, 204,439.75 and 47,545.79
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Solution
The fourth proportional to 136,292.42, 204,439.75 and 47,545.79 is: 71,319.07
Step by Step Solution
- Step 1: Write the proportion equation
136,292.42 : 204,439.75 = 47,545.79 : x - Step 2: Convert to fraction form
136,292.42/204,439.75 = 47,545.79/x - Step 3: Cross multiply
136,292.42x = 204,439.75 × 47,545.79 - Step 4: Simplify right side
136,292.42x = 9,720,248,280.09 - Step 5: Solve for x
x = 9,720,248,280.09/136,292.42 - Step 6: Final answer
x = 71,319.07
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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.