Finding the Fourth Proportional to 146,320.08, 201,922.68 and 79,252.08
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Solution
The fourth proportional to 146,320.08, 201,922.68 and 79,252.08 is: 109,368.40
Step by Step Solution
- Step 1: Write the proportion equation
146,320.08 : 201,922.68 = 79,252.08 : x - Step 2: Convert to fraction form
146,320.08/201,922.68 = 79,252.08/x - Step 3: Cross multiply
146,320.08x = 201,922.68 × 79,252.08 - Step 4: Simplify right side
146,320.08x = 16,002,792,389.17 - Step 5: Solve for x
x = 16,002,792,389.17/146,320.08 - Step 6: Final answer
x = 109,368.40
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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.