Finding the Fourth Proportional to 209,444.78, 314,167.18 and 97,110.21
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Solution
The fourth proportional to 209,444.78, 314,167.18 and 97,110.21 is: 145,665.32
Step by Step Solution
- Step 1: Write the proportion equation
209,444.78 : 314,167.18 = 97,110.21 : x - Step 2: Convert to fraction form
209,444.78/314,167.18 = 97,110.21/x - Step 3: Cross multiply
209,444.78x = 314,167.18 × 97,110.21 - Step 4: Simplify right side
209,444.78x = 30,508,840,582.13 - Step 5: Solve for x
x = 30,508,840,582.13/209,444.78 - Step 6: Final answer
x = 145,665.32
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1.5x scale
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.