Finding the Fourth Proportional to 403,599.45, 556,946.67 and 222,307.48
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Solution
The fourth proportional to 403,599.45, 556,946.67 and 222,307.48 is: 306,772.99
Step by Step Solution
- Step 1: Write the proportion equation
403,599.45 : 556,946.67 = 222,307.48 : x - Step 2: Convert to fraction form
403,599.45/556,946.67 = 222,307.48/x - Step 3: Cross multiply
403,599.45x = 556,946.67 × 222,307.48 - Step 4: Simplify right side
403,599.45x = 123,813,410,702.09 - Step 5: Solve for x
x = 123,813,410,702.09/403,599.45 - Step 6: Final answer
x = 306,772.99
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1.5x scale
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.