Finding the Fourth Proportional to 240,558.98, 331,981.82 and 133,129.05
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Solution
The fourth proportional to 240,558.98, 331,981.82 and 133,129.05 is: 183,723.86
Step by Step Solution
- Step 1: Write the proportion equation
240,558.98 : 331,981.82 = 133,129.05 : x - Step 2: Convert to fraction form
240,558.98/331,981.82 = 133,129.05/x - Step 3: Cross multiply
240,558.98x = 331,981.82 × 133,129.05 - Step 4: Simplify right side
240,558.98x = 44,196,423,648.23 - Step 5: Solve for x
x = 44,196,423,648.23/240,558.98 - Step 6: Final answer
x = 183,723.86
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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.