Finding the Fourth Proportional to 403,616.42, 556,990.62 and 233,948.96
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Solution
The fourth proportional to 403,616.42, 556,990.62 and 233,948.96 is: 322,849.54
Step by Step Solution
- Step 1: Write the proportion equation
403,616.42 : 556,990.62 = 233,948.96 : x - Step 2: Convert to fraction form
403,616.42/556,990.62 = 233,948.96/x - Step 3: Cross multiply
403,616.42x = 556,990.62 × 233,948.96 - Step 4: Simplify right side
403,616.42x = 130,307,376,278.76 - Step 5: Solve for x
x = 130,307,376,278.76/403,616.42 - Step 6: Final answer
x = 322,849.54
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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.