Finding the Fourth Proportional to 162,999.61, 224,743.99 and 105,617.99
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Solution
The fourth proportional to 162,999.61, 224,743.99 and 105,617.99 is: 145,626.17
Step by Step Solution
- Step 1: Write the proportion equation
162,999.61 : 224,743.99 = 105,617.99 : x - Step 2: Convert to fraction form
162,999.61/224,743.99 = 105,617.99/x - Step 3: Cross multiply
162,999.61x = 224,743.99 × 105,617.99 - Step 4: Simplify right side
162,999.61x = 23,737,009,421.17 - Step 5: Solve for x
x = 23,737,009,421.17/162,999.61 - Step 6: Final answer
x = 145,626.17
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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.