Finding the Fourth Proportional to 266,364.84, 399,472.34 and 74,195.58
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Solution
The fourth proportional to 266,364.84, 399,472.34 and 74,195.58 is: 111,272.50
Step by Step Solution
- Step 1: Write the proportion equation
266,364.84 : 399,472.34 = 74,195.58 : x - Step 2: Convert to fraction form
266,364.84/399,472.34 = 74,195.58/x - Step 3: Cross multiply
266,364.84x = 399,472.34 × 74,195.58 - Step 4: Simplify right side
266,364.84x = 29,639,081,960.26 - Step 5: Solve for x
x = 29,639,081,960.26/266,364.84 - Step 6: Final answer
x = 111,272.50
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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.