Finding the Fourth Proportional to 568,486.61, 852,280.10 and 213,461.09
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Solution
The fourth proportional to 568,486.61, 852,280.10 and 213,461.09 is: 320,022.73
Step by Step Solution
- Step 1: Write the proportion equation
568,486.61 : 852,280.10 = 213,461.09 : x - Step 2: Convert to fraction form
568,486.61/852,280.10 = 213,461.09/x - Step 3: Cross multiply
568,486.61x = 852,280.10 × 213,461.09 - Step 4: Simplify right side
568,486.61x = 181,928,638,064.00 - Step 5: Solve for x
x = 181,928,638,064.00/568,486.61 - Step 6: Final answer
x = 320,022.73
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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.