Finding the Fourth Proportional to 155,677.16, 214,752.63 and 98,295.75
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Solution
The fourth proportional to 155,677.16, 214,752.63 and 98,295.75 is: 135,596.45
Step by Step Solution
- Step 1: Write the proportion equation
155,677.16 : 214,752.63 = 98,295.75 : x - Step 2: Convert to fraction form
155,677.16/214,752.63 = 98,295.75/x - Step 3: Cross multiply
155,677.16x = 214,752.63 × 98,295.75 - Step 4: Simplify right side
155,677.16x = 21,109,269,756.56 - Step 5: Solve for x
x = 21,109,269,756.56/155,677.16 - Step 6: Final answer
x = 135,596.45
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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.