Finding the Fourth Proportional to 319,813.19, 441,342.08 and 183,873.71
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Solution
The fourth proportional to 319,813.19, 441,342.08 and 183,873.71 is: 253,745.65
Step by Step Solution
- Step 1: Write the proportion equation
319,813.19 : 441,342.08 = 183,873.71 : x - Step 2: Convert to fraction form
319,813.19/441,342.08 = 183,873.71/x - Step 3: Cross multiply
319,813.19x = 441,342.08 × 183,873.71 - Step 4: Simplify right side
319,813.19x = 81,151,205,628.72 - Step 5: Solve for x
x = 81,151,205,628.72/319,813.19 - Step 6: Final answer
x = 253,745.65
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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.