Finding the Fourth Proportional to 170,237.80, 234,918.98 and 93,742.12
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Solution
The fourth proportional to 170,237.80, 234,918.98 and 93,742.12 is: 129,359.07
Step by Step Solution
- Step 1: Write the proportion equation
170,237.80 : 234,918.98 = 93,742.12 : x - Step 2: Convert to fraction form
170,237.80/234,918.98 = 93,742.12/x - Step 3: Cross multiply
170,237.80x = 234,918.98 × 93,742.12 - Step 4: Simplify right side
170,237.80x = 22,021,803,213.44 - Step 5: Solve for x
x = 22,021,803,213.44/170,237.80 - Step 6: Final answer
x = 129,359.07
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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.