Finding the Fourth Proportional to 462,997.08, 638,960.72 and 259,035.84
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Solution
The fourth proportional to 462,997.08, 638,960.72 and 259,035.84 is: 357,483.31
Step by Step Solution
- Step 1: Write the proportion equation
462,997.08 : 638,960.72 = 259,035.84 : x - Step 2: Convert to fraction form
462,997.08/638,960.72 = 259,035.84/x - Step 3: Cross multiply
462,997.08x = 638,960.72 × 259,035.84 - Step 4: Simplify right side
462,997.08x = 165,513,726,832.21 - Step 5: Solve for x
x = 165,513,726,832.21/462,997.08 - Step 6: Final answer
x = 357,483.31
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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.