Finding the Fourth Proportional to 109,098.90, 163,646.69 and 49,084.99
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Solution
The fourth proportional to 109,098.90, 163,646.69 and 49,084.99 is: 73,626.74
Step by Step Solution
- Step 1: Write the proportion equation
109,098.90 : 163,646.69 = 49,084.99 : x - Step 2: Convert to fraction form
109,098.90/163,646.69 = 49,084.99/x - Step 3: Cross multiply
109,098.90x = 163,646.69 × 49,084.99 - Step 4: Simplify right side
109,098.90x = 8,032,596,142.18 - Step 5: Solve for x
x = 8,032,596,142.18/109,098.90 - Step 6: Final answer
x = 73,626.74
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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.