Finding the Fourth Proportional to 531,088.79, 796,965.35 and 215,545.70
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Solution
The fourth proportional to 531,088.79, 796,965.35 and 215,545.70 is: 323,453.37
Step by Step Solution
- Step 1: Write the proportion equation
531,088.79 : 796,965.35 = 215,545.70 : x - Step 2: Convert to fraction form
531,088.79/796,965.35 = 215,545.70/x - Step 3: Cross multiply
531,088.79x = 796,965.35 × 215,545.70 - Step 4: Simplify right side
531,088.79x = 171,782,455,156.18 - Step 5: Solve for x
x = 171,782,455,156.18/531,088.79 - Step 6: Final answer
x = 323,453.37
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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.