Finding the Fourth Proportional to 228,927.74, 343,344.84 and 86,723.99
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Solution
The fourth proportional to 228,927.74, 343,344.84 and 86,723.99 is: 130,068.26
Step by Step Solution
- Step 1: Write the proportion equation
228,927.74 : 343,344.84 = 86,723.99 : x - Step 2: Convert to fraction form
228,927.74/343,344.84 = 86,723.99/x - Step 3: Cross multiply
228,927.74x = 343,344.84 × 86,723.99 - Step 4: Simplify right side
228,927.74x = 29,776,232,753.99 - Step 5: Solve for x
x = 29,776,232,753.99/228,927.74 - Step 6: Final answer
x = 130,068.26
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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.