Finding the Fourth Proportional to 304,636.05, 420,410.88 and 168,669.99
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Solution
The fourth proportional to 304,636.05, 420,410.88 and 168,669.99 is: 232,771.85
Step by Step Solution
- Step 1: Write the proportion equation
304,636.05 : 420,410.88 = 168,669.99 : x - Step 2: Convert to fraction form
304,636.05/420,410.88 = 168,669.99/x - Step 3: Cross multiply
304,636.05x = 420,410.88 × 168,669.99 - Step 4: Simplify right side
304,636.05x = 70,910,695,980.09 - Step 5: Solve for x
x = 70,910,695,980.09/304,636.05 - Step 6: Final answer
x = 232,771.85
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1.5x scale
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.