Finding the Fourth Proportional to 357,233.15, 492,981.51 and 202,181.62
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Solution
The fourth proportional to 357,233.15, 492,981.51 and 202,181.62 is: 279,010.50
Step by Step Solution
- Step 1: Write the proportion equation
357,233.15 : 492,981.51 = 202,181.62 : x - Step 2: Convert to fraction form
357,233.15/492,981.51 = 202,181.62/x - Step 3: Cross multiply
357,233.15x = 492,981.51 × 202,181.62 - Step 4: Simplify right side
357,233.15x = 99,671,799,634.64 - Step 5: Solve for x
x = 99,671,799,634.64/357,233.15 - Step 6: Final answer
x = 279,010.50
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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.