Finding the Fourth Proportional to 519,159.80, 716,593.74 and 304,346.36
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Solution
The fourth proportional to 519,159.80, 716,593.74 and 304,346.36 is: 420,087.80
Step by Step Solution
- Step 1: Write the proportion equation
519,159.80 : 716,593.74 = 304,346.36 : x - Step 2: Convert to fraction form
519,159.80/716,593.74 = 304,346.36/x - Step 3: Cross multiply
519,159.80x = 716,593.74 × 304,346.36 - Step 4: Simplify right side
519,159.80x = 218,092,696,367.79 - Step 5: Solve for x
x = 218,092,696,367.79/519,159.80 - Step 6: Final answer
x = 420,087.80
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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.