Finding the Fourth Proportional to 148,392.20, 204,852.16 and 84,717.70
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Solution
The fourth proportional to 148,392.20, 204,852.16 and 84,717.70 is: 116,950.92
Step by Step Solution
- Step 1: Write the proportion equation
148,392.20 : 204,852.16 = 84,717.70 : x - Step 2: Convert to fraction form
148,392.20/204,852.16 = 84,717.70/x - Step 3: Cross multiply
148,392.20x = 204,852.16 × 84,717.70 - Step 4: Simplify right side
148,392.20x = 17,354,603,835.23 - Step 5: Solve for x
x = 17,354,603,835.23/148,392.20 - Step 6: Final answer
x = 116,950.92
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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.