Finding the Fourth Proportional to 372,545.63, 514,098.70 and 211,391.07
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Solution
The fourth proportional to 372,545.63, 514,098.70 and 211,391.07 is: 291,711.57
Step by Step Solution
- Step 1: Write the proportion equation
372,545.63 : 514,098.70 = 211,391.07 : x - Step 2: Convert to fraction form
372,545.63/514,098.70 = 211,391.07/x - Step 3: Cross multiply
372,545.63x = 514,098.70 × 211,391.07 - Step 4: Simplify right side
372,545.63x = 108,675,871,822.26 - Step 5: Solve for x
x = 108,675,871,822.26/372,545.63 - Step 6: Final answer
x = 291,711.57
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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.