Finding the Fourth Proportional to 559,718.70, 839,755.62 and 199,881.72
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Solution
The fourth proportional to 559,718.70, 839,755.62 and 199,881.72 is: 299,885.99
Step by Step Solution
- Step 1: Write the proportion equation
559,718.70 : 839,755.62 = 199,881.72 : x - Step 2: Convert to fraction form
559,718.70/839,755.62 = 199,881.72/x - Step 3: Cross multiply
559,718.70x = 839,755.62 × 199,881.72 - Step 4: Simplify right side
559,718.70x = 167,851,797,705.27 - Step 5: Solve for x
x = 167,851,797,705.27/559,718.70 - Step 6: Final answer
x = 299,885.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.