Finding the Fourth Proportional to 302,862.30, 417,944.34 and 166,908.84
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Solution
The fourth proportional to 302,862.30, 417,944.34 and 166,908.84 is: 230,331.09
Step by Step Solution
- Step 1: Write the proportion equation
302,862.30 : 417,944.34 = 166,908.84 : x - Step 2: Convert to fraction form
302,862.30/417,944.34 = 166,908.84/x - Step 3: Cross multiply
302,862.30x = 417,944.34 × 166,908.84 - Step 4: Simplify right side
302,862.30x = 69,758,604,973.97 - Step 5: Solve for x
x = 69,758,604,973.97/302,862.30 - Step 6: Final answer
x = 230,331.09
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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.