Finding the Fourth Proportional to 170,448.70, 235,220.84 and 93,970.59
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Solution
The fourth proportional to 170,448.70, 235,220.84 and 93,970.59 is: 129,680.31
Step by Step Solution
- Step 1: Write the proportion equation
170,448.70 : 235,220.84 = 93,970.59 : x - Step 2: Convert to fraction form
170,448.70/235,220.84 = 93,970.59/x - Step 3: Cross multiply
170,448.70x = 235,220.84 × 93,970.59 - Step 4: Simplify right side
170,448.70x = 22,103,840,645.24 - Step 5: Solve for x
x = 22,103,840,645.24/170,448.70 - Step 6: Final answer
x = 129,680.31
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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.