Finding the Fourth Proportional to 468,519.78, 702,690.99 and 228,392.48
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Solution
The fourth proportional to 468,519.78, 702,690.99 and 228,392.48 is: 342,545.48
Step by Step Solution
- Step 1: Write the proportion equation
468,519.78 : 702,690.99 = 228,392.48 : x - Step 2: Convert to fraction form
468,519.78/702,690.99 = 228,392.48/x - Step 3: Cross multiply
468,519.78x = 702,690.99 × 228,392.48 - Step 4: Simplify right side
468,519.78x = 160,489,334,366.30 - Step 5: Solve for x
x = 160,489,334,366.30/468,519.78 - Step 6: Final answer
x = 342,545.48
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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.