Finding the Fourth Proportional to 170,628.76, 235,543.18 and 110,228.84
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Solution
The fourth proportional to 170,628.76, 235,543.18 and 110,228.84 is: 152,164.57
Step by Step Solution
- Step 1: Write the proportion equation
170,628.76 : 235,543.18 = 110,228.84 : x - Step 2: Convert to fraction form
170,628.76/235,543.18 = 110,228.84/x - Step 3: Cross multiply
170,628.76x = 235,543.18 × 110,228.84 - Step 4: Simplify right side
170,628.76x = 25,963,651,501.31 - Step 5: Solve for x
x = 25,963,651,501.31/170,628.76 - Step 6: Final answer
x = 152,164.57
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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.