Finding the Fourth Proportional to 230,578.68, 345,878.60 and 70,643.14
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Solution
The fourth proportional to 230,578.68, 345,878.60 and 70,643.14 is: 105,967.95
Step by Step Solution
- Step 1: Write the proportion equation
230,578.68 : 345,878.60 = 70,643.14 : x - Step 2: Convert to fraction form
230,578.68/345,878.60 = 70,643.14/x - Step 3: Cross multiply
230,578.68x = 345,878.60 × 70,643.14 - Step 4: Simplify right side
230,578.68x = 24,433,950,362.80 - Step 5: Solve for x
x = 24,433,950,362.80/230,578.68 - Step 6: Final answer
x = 105,967.95
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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.