Finding the Fourth Proportional to 348,590.24, 521,565.84 and 206,511.78
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Solution
The fourth proportional to 348,590.24, 521,565.84 and 206,511.78 is: 308,985.96
Step by Step Solution
- Step 1: Write the proportion equation
348,590.24 : 521,565.84 = 206,511.78 : x - Step 2: Convert to fraction form
348,590.24/521,565.84 = 206,511.78/x - Step 3: Cross multiply
348,590.24x = 521,565.84 × 206,511.78 - Step 4: Simplify right side
348,590.24x = 107,709,490,005.60 - Step 5: Solve for x
x = 107,709,490,005.60/348,590.24 - Step 6: Final answer
x = 308,985.96
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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.