Finding the Fourth Proportional to 342,662.02, 472,923.07 and 197,439.99
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Solution
The fourth proportional to 342,662.02, 472,923.07 and 197,439.99 is: 272,495.70
Step by Step Solution
- Step 1: Write the proportion equation
342,662.02 : 472,923.07 = 197,439.99 : x - Step 2: Convert to fraction form
342,662.02/472,923.07 = 197,439.99/x - Step 3: Cross multiply
342,662.02x = 472,923.07 × 197,439.99 - Step 4: Simplify right side
342,662.02x = 93,373,926,211.57 - Step 5: Solve for x
x = 93,373,926,211.57/342,662.02 - Step 6: Final answer
x = 272,495.70
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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.