Finding the Fourth Proportional to 101,291.98, 151,938.09 and 26,412.06
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Solution
The fourth proportional to 101,291.98, 151,938.09 and 26,412.06 is: 39,618.12
Step by Step Solution
- Step 1: Write the proportion equation
101,291.98 : 151,938.09 = 26,412.06 : x - Step 2: Convert to fraction form
101,291.98/151,938.09 = 26,412.06/x - Step 3: Cross multiply
101,291.98x = 151,938.09 × 26,412.06 - Step 4: Simplify right side
101,291.98x = 4,012,997,817.31 - Step 5: Solve for x
x = 4,012,997,817.31/101,291.98 - Step 6: Final answer
x = 39,618.12
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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.