Finding the Fourth Proportional to 197,569.16, 272,645.77 and 106,925.22
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Solution
The fourth proportional to 197,569.16, 272,645.77 and 106,925.22 is: 147,556.99
Step by Step Solution
- Step 1: Write the proportion equation
197,569.16 : 272,645.77 = 106,925.22 : x - Step 2: Convert to fraction form
197,569.16/272,645.77 = 106,925.22/x - Step 3: Cross multiply
197,569.16x = 272,645.77 × 106,925.22 - Step 4: Simplify right side
197,569.16x = 29,152,709,940.03 - Step 5: Solve for x
x = 29,152,709,940.03/197,569.16 - Step 6: Final answer
x = 147,556.99
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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.