Finding the Fourth Proportional to 201,679.13, 302,518.71 and 61,437.75
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Solution
The fourth proportional to 201,679.13, 302,518.71 and 61,437.75 is: 92,156.63
Step by Step Solution
- Step 1: Write the proportion equation
201,679.13 : 302,518.71 = 61,437.75 : x - Step 2: Convert to fraction form
201,679.13/302,518.71 = 61,437.75/x - Step 3: Cross multiply
201,679.13x = 302,518.71 × 61,437.75 - Step 4: Simplify right side
201,679.13x = 18,586,068,875.30 - Step 5: Solve for x
x = 18,586,068,875.30/201,679.13 - Step 6: Final answer
x = 92,156.63
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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.