Finding the Fourth Proportional to 156,592.83, 216,098.67 and 84,972.84
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Solution
The fourth proportional to 156,592.83, 216,098.67 and 84,972.84 is: 117,262.84
Step by Step Solution
- Step 1: Write the proportion equation
156,592.83 : 216,098.67 = 84,972.84 : x - Step 2: Convert to fraction form
156,592.83/216,098.67 = 84,972.84/x - Step 3: Cross multiply
156,592.83x = 216,098.67 × 84,972.84 - Step 4: Simplify right side
156,592.83x = 18,362,518,922.24 - Step 5: Solve for x
x = 18,362,518,922.24/156,592.83 - Step 6: Final answer
x = 117,262.84
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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.