Finding the Fourth Proportional to 347,537.08, 479,458.62 and 211,461.94
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Solution
The fourth proportional to 347,537.08, 479,458.62 and 211,461.94 is: 291,730.74
Step by Step Solution
- Step 1: Write the proportion equation
347,537.08 : 479,458.62 = 211,461.94 : x - Step 2: Convert to fraction form
347,537.08/479,458.62 = 211,461.94/x - Step 3: Cross multiply
347,537.08x = 479,458.62 × 211,461.94 - Step 4: Simplify right side
347,537.08x = 101,387,249,934.92 - Step 5: Solve for x
x = 101,387,249,934.92/347,537.08 - Step 6: Final answer
x = 291,730.74
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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.