Finding the Fourth Proportional to 274,377.18, 378,618.93 and 153,508.98
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Solution
The fourth proportional to 274,377.18, 378,618.93 and 153,508.98 is: 211,830.32
Step by Step Solution
- Step 1: Write the proportion equation
274,377.18 : 378,618.93 = 153,508.98 : x - Step 2: Convert to fraction form
274,377.18/378,618.93 = 153,508.98/x - Step 3: Cross multiply
274,377.18x = 378,618.93 × 153,508.98 - Step 4: Simplify right side
274,377.18x = 58,121,405,752.99 - Step 5: Solve for x
x = 58,121,405,752.99/274,377.18 - Step 6: Final answer
x = 211,830.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.