Finding the Fourth Proportional to 126,473.04, 189,687.68 and 47,587.94
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Solution
The fourth proportional to 126,473.04, 189,687.68 and 47,587.94 is: 71,373.68
Step by Step Solution
- Step 1: Write the proportion equation
126,473.04 : 189,687.68 = 47,587.94 : x - Step 2: Convert to fraction form
126,473.04/189,687.68 = 47,587.94/x - Step 3: Cross multiply
126,473.04x = 189,687.68 × 47,587.94 - Step 4: Simplify right side
126,473.04x = 9,026,845,934.58 - Step 5: Solve for x
x = 9,026,845,934.58/126,473.04 - Step 6: Final answer
x = 71,373.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.