Finding the Fourth Proportional to 342,564.36, 472,735.23 and 189,602.88
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Solution
The fourth proportional to 342,564.36, 472,735.23 and 189,602.88 is: 261,649.99
Step by Step Solution
- Step 1: Write the proportion equation
342,564.36 : 472,735.23 = 189,602.88 : x - Step 2: Convert to fraction form
342,564.36/472,735.23 = 189,602.88/x - Step 3: Cross multiply
342,564.36x = 472,735.23 × 189,602.88 - Step 4: Simplify right side
342,564.36x = 89,631,961,085.46 - Step 5: Solve for x
x = 89,631,961,085.46/342,564.36 - Step 6: Final answer
x = 261,649.99
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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.