Finding the Fourth Proportional to 314,194.68, 469,157.49 and 305,681.58
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Solution
The fourth proportional to 314,194.68, 469,157.49 and 305,681.58 is: 456,445.68
Step by Step Solution
- Step 1: Write the proportion equation
314,194.68 : 469,157.49 = 305,681.58 : x - Step 2: Convert to fraction form
314,194.68/469,157.49 = 305,681.58/x - Step 3: Cross multiply
314,194.68x = 469,157.49 × 305,681.58 - Step 4: Simplify right side
314,194.68x = 143,412,802,812.03 - Step 5: Solve for x
x = 143,412,802,812.03/314,194.68 - Step 6: Final answer
x = 456,445.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.