Finding the Fourth Proportional to 519,099.68, 716,250.61 and 298,294.28
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Solution
The fourth proportional to 519,099.68, 716,250.61 and 298,294.28 is: 411,584.65
Step by Step Solution
- Step 1: Write the proportion equation
519,099.68 : 716,250.61 = 298,294.28 : x - Step 2: Convert to fraction form
519,099.68/716,250.61 = 298,294.28/x - Step 3: Cross multiply
519,099.68x = 716,250.61 × 298,294.28 - Step 4: Simplify right side
519,099.68x = 213,653,458,648.11 - Step 5: Solve for x
x = 213,653,458,648.11/519,099.68 - Step 6: Final answer
x = 411,584.65
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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.