Finding the Fourth Proportional to 117,836.24, 176,782.05 and 38,950.47
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Solution
The fourth proportional to 117,836.24, 176,782.05 and 38,950.47 is: 58,434.85
Step by Step Solution
- Step 1: Write the proportion equation
117,836.24 : 176,782.05 = 38,950.47 : x - Step 2: Convert to fraction form
117,836.24/176,782.05 = 38,950.47/x - Step 3: Cross multiply
117,836.24x = 176,782.05 × 38,950.47 - Step 4: Simplify right side
117,836.24x = 6,885,742,856.40 - Step 5: Solve for x
x = 6,885,742,856.40/117,836.24 - Step 6: Final answer
x = 58,434.85
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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.