Finding the Fourth Proportional to 243,557.20, 336,098.36 and 133,173.82
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Solution
The fourth proportional to 243,557.20, 336,098.36 and 133,173.82 is: 183,774.09
Step by Step Solution
- Step 1: Write the proportion equation
243,557.20 : 336,098.36 = 133,173.82 : x - Step 2: Convert to fraction form
243,557.20/336,098.36 = 133,173.82/x - Step 3: Cross multiply
243,557.20x = 336,098.36 × 133,173.82 - Step 4: Simplify right side
243,557.20x = 44,759,502,496.94 - Step 5: Solve for x
x = 44,759,502,496.94/243,557.20 - Step 6: Final answer
x = 183,774.09
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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.