Finding the Fourth Proportional to 304,658.12, 420,368.46 and 191,415.26
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Solution
The fourth proportional to 304,658.12, 420,368.46 and 191,415.26 is: 264,115.52
Step by Step Solution
- Step 1: Write the proportion equation
304,658.12 : 420,368.46 = 191,415.26 : x - Step 2: Convert to fraction form
304,658.12/420,368.46 = 191,415.26/x - Step 3: Cross multiply
304,658.12x = 420,368.46 × 191,415.26 - Step 4: Simplify right side
304,658.12x = 80,464,938,066.70 - Step 5: Solve for x
x = 80,464,938,066.70/304,658.12 - Step 6: Final answer
x = 264,115.52
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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.