Finding the Fourth Proportional to 342,294.08, 472,208.67 and 221,474.75
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Solution
The fourth proportional to 342,294.08, 472,208.67 and 221,474.75 is: 305,533.46
Step by Step Solution
- Step 1: Write the proportion equation
342,294.08 : 472,208.67 = 221,474.75 : x - Step 2: Convert to fraction form
342,294.08/472,208.67 = 221,474.75/x - Step 3: Cross multiply
342,294.08x = 472,208.67 × 221,474.75 - Step 4: Simplify right side
342,294.08x = 104,582,294,775.04 - Step 5: Solve for x
x = 104,582,294,775.04/342,294.08 - Step 6: Final answer
x = 305,533.46
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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.