Finding the Fourth Proportional to 188,587.44, 260,299.98 and 116,926.74
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Solution
The fourth proportional to 188,587.44, 260,299.98 and 116,926.74 is: 161,389.48
Step by Step Solution
- Step 1: Write the proportion equation
188,587.44 : 260,299.98 = 116,926.74 : x - Step 2: Convert to fraction form
188,587.44/260,299.98 = 116,926.74/x - Step 3: Cross multiply
188,587.44x = 260,299.98 × 116,926.74 - Step 4: Simplify right side
188,587.44x = 30,436,028,083.47 - Step 5: Solve for x
x = 30,436,028,083.47/188,587.44 - Step 6: Final answer
x = 161,389.48
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1.5x scale
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.