Finding the Fourth Proportional to 377,927.37, 521,541.18 and 208,161.09
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Solution
The fourth proportional to 377,927.37, 521,541.18 and 208,161.09 is: 287,263.08
Step by Step Solution
- Step 1: Write the proportion equation
377,927.37 : 521,541.18 = 208,161.09 : x - Step 2: Convert to fraction form
377,927.37/521,541.18 = 208,161.09/x - Step 3: Cross multiply
377,927.37x = 521,541.18 × 208,161.09 - Step 4: Simplify right side
377,927.37x = 108,564,580,508.69 - Step 5: Solve for x
x = 108,564,580,508.69/377,927.37 - Step 6: Final answer
x = 287,263.08
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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.