Finding the Fourth Proportional to 122,545.07, 183,828.96 and 47,670.92
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Solution
The fourth proportional to 122,545.07, 183,828.96 and 47,670.92 is: 71,510.79
Step by Step Solution
- Step 1: Write the proportion equation
122,545.07 : 183,828.96 = 47,670.92 : x - Step 2: Convert to fraction form
122,545.07/183,828.96 = 47,670.92/x - Step 3: Cross multiply
122,545.07x = 183,828.96 × 47,670.92 - Step 4: Simplify right side
122,545.07x = 8,763,294,726.70 - Step 5: Solve for x
x = 8,763,294,726.70/122,545.07 - Step 6: Final answer
x = 71,510.79
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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.