Finding the Fourth Proportional to 403,458.60, 556,750.74 and 222,136.08
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Solution
The fourth proportional to 403,458.60, 556,750.74 and 222,136.08 is: 306,535.61
Step by Step Solution
- Step 1: Write the proportion equation
403,458.60 : 556,750.74 = 222,136.08 : x - Step 2: Convert to fraction form
403,458.60/556,750.74 = 222,136.08/x - Step 3: Cross multiply
403,458.60x = 556,750.74 × 222,136.08 - Step 4: Simplify right side
403,458.60x = 123,674,426,920.70 - Step 5: Solve for x
x = 123,674,426,920.70/403,458.60 - Step 6: Final answer
x = 306,535.61
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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.