Finding the Fourth Proportional to 155,475.84, 214,536.96 and 88,409.28
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Solution
The fourth proportional to 155,475.84, 214,536.96 and 88,409.28 is: 121,993.60
Step by Step Solution
- Step 1: Write the proportion equation
155,475.84 : 214,536.96 = 88,409.28 : x - Step 2: Convert to fraction form
155,475.84/214,536.96 = 88,409.28/x - Step 3: Cross multiply
155,475.84x = 214,536.96 × 88,409.28 - Step 4: Simplify right side
155,475.84x = 18,967,058,166.99 - Step 5: Solve for x
x = 18,967,058,166.99/155,475.84 - Step 6: Final answer
x = 121,993.60
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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.