Finding the Fourth Proportional to 356,927.59, 534,339.50 and 312,640.84
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Solution
The fourth proportional to 356,927.59, 534,339.50 and 312,640.84 is: 468,039.89
Step by Step Solution
- Step 1: Write the proportion equation
356,927.59 : 534,339.50 = 312,640.84 : x - Step 2: Convert to fraction form
356,927.59/534,339.50 = 312,640.84/x - Step 3: Cross multiply
356,927.59x = 534,339.50 × 312,640.84 - Step 4: Simplify right side
356,927.59x = 167,056,347,226.13 - Step 5: Solve for x
x = 167,056,347,226.13/356,927.59 - Step 6: Final answer
x = 468,039.89
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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.