Finding the Fourth Proportional to 403,601.96, 556,950.12 and 222,309.98
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Solution
The fourth proportional to 403,601.96, 556,950.12 and 222,309.98 is: 306,776.43
Step by Step Solution
- Step 1: Write the proportion equation
403,601.96 : 556,950.12 = 222,309.98 : x - Step 2: Convert to fraction form
403,601.96/556,950.12 = 222,309.98/x - Step 3: Cross multiply
403,601.96x = 556,950.12 × 222,309.98 - Step 4: Simplify right side
403,601.96x = 123,815,570,038.20 - Step 5: Solve for x
x = 123,815,570,038.20/403,601.96 - Step 6: Final answer
x = 306,776.43
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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.