Finding the Fourth Proportional to 342,898.01, 514,202.58 and 129,629.97
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Solution
The fourth proportional to 342,898.01, 514,202.58 and 129,629.97 is: 194,390.35
Step by Step Solution
- Step 1: Write the proportion equation
342,898.01 : 514,202.58 = 129,629.97 : x - Step 2: Convert to fraction form
342,898.01/514,202.58 = 129,629.97/x - Step 3: Cross multiply
342,898.01x = 514,202.58 × 129,629.97 - Step 4: Simplify right side
342,898.01x = 66,656,065,019.32 - Step 5: Solve for x
x = 66,656,065,019.32/342,898.01 - Step 6: Final answer
x = 194,390.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.