Finding the Fourth Proportional to 209,444.74, 314,058.26 and 102,781.91
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Solution
The fourth proportional to 209,444.74, 314,058.26 and 102,781.91 is: 154,119.46
Step by Step Solution
- Step 1: Write the proportion equation
209,444.74 : 314,058.26 = 102,781.91 : x - Step 2: Convert to fraction form
209,444.74/314,058.26 = 102,781.91/x - Step 3: Cross multiply
209,444.74x = 314,058.26 × 102,781.91 - Step 4: Simplify right side
209,444.74x = 32,279,508,856.18 - Step 5: Solve for x
x = 32,279,508,856.18/209,444.74 - Step 6: Final answer
x = 154,119.46
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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.