Finding the Fourth Proportional to 348,193.47, 521,617.68 and 256,847.94
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Solution
The fourth proportional to 348,193.47, 521,617.68 and 256,847.94 is: 384,775.82
Step by Step Solution
- Step 1: Write the proportion equation
348,193.47 : 521,617.68 = 256,847.94 : x - Step 2: Convert to fraction form
348,193.47/521,617.68 = 256,847.94/x - Step 3: Cross multiply
348,193.47x = 521,617.68 × 256,847.94 - Step 4: Simplify right side
348,193.47x = 133,976,426,575.58 - Step 5: Solve for x
x = 133,976,426,575.58/348,193.47 - Step 6: Final answer
x = 384,775.82
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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.