Finding the Fourth Proportional to 369,114.80, 553,672.20 and 315,970.70
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Solution
The fourth proportional to 369,114.80, 553,672.20 and 315,970.70 is: 473,956.05
Step by Step Solution
- Step 1: Write the proportion equation
369,114.80 : 553,672.20 = 315,970.70 : x - Step 2: Convert to fraction form
369,114.80/553,672.20 = 315,970.70/x - Step 3: Cross multiply
369,114.80x = 553,672.20 × 315,970.70 - Step 4: Simplify right side
369,114.80x = 174,944,192,604.54 - Step 5: Solve for x
x = 174,944,192,604.54/369,114.80 - Step 6: Final answer
x = 473,956.05
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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.