Finding the Fourth Proportional to 170,459.54, 235,136.62 and 106,686.62
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Solution
The fourth proportional to 170,459.54, 235,136.62 and 106,686.62 is: 147,166.48
Step by Step Solution
- Step 1: Write the proportion equation
170,459.54 : 235,136.62 = 106,686.62 : x - Step 2: Convert to fraction form
170,459.54/235,136.62 = 106,686.62/x - Step 3: Cross multiply
170,459.54x = 235,136.62 × 106,686.62 - Step 4: Simplify right side
170,459.54x = 25,085,931,226.02 - Step 5: Solve for x
x = 25,085,931,226.02/170,459.54 - Step 6: Final answer
x = 147,166.48
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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.