Finding the Fourth Proportional to 534,772.70, 802,612.65 and 219,455.90
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Solution
The fourth proportional to 534,772.70, 802,612.65 and 219,455.90 is: 329,369.99
Step by Step Solution
- Step 1: Write the proportion equation
534,772.70 : 802,612.65 = 219,455.90 : x - Step 2: Convert to fraction form
534,772.70/802,612.65 = 219,455.90/x - Step 3: Cross multiply
534,772.70x = 802,612.65 × 219,455.90 - Step 4: Simplify right side
534,772.70x = 176,138,081,457.14 - Step 5: Solve for x
x = 176,138,081,457.14/534,772.70 - Step 6: Final answer
x = 329,369.99
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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.