Finding the Fourth Proportional to 302,679.47, 417,700.49 and 166,713.91
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Solution
The fourth proportional to 302,679.47, 417,700.49 and 166,713.91 is: 230,066.75
Step by Step Solution
- Step 1: Write the proportion equation
302,679.47 : 417,700.49 = 166,713.91 : x - Step 2: Convert to fraction form
302,679.47/417,700.49 = 166,713.91/x - Step 3: Cross multiply
302,679.47x = 417,700.49 × 166,713.91 - Step 4: Simplify right side
302,679.47x = 69,636,479,808.31 - Step 5: Solve for x
x = 69,636,479,808.31/302,679.47 - Step 6: Final answer
x = 230,066.75
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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.