Finding the Fourth Proportional to 518,960.08, 778,545.19 and 219,440.17
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Solution
The fourth proportional to 518,960.08, 778,545.19 and 219,440.17 is: 329,204.68
Step by Step Solution
- Step 1: Write the proportion equation
518,960.08 : 778,545.19 = 219,440.17 : x - Step 2: Convert to fraction form
518,960.08/778,545.19 = 219,440.17/x - Step 3: Cross multiply
518,960.08x = 778,545.19 × 219,440.17 - Step 4: Simplify right side
518,960.08x = 170,844,088,859.41 - Step 5: Solve for x
x = 170,844,088,859.41/518,960.08 - Step 6: Final answer
x = 329,204.68
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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.