Finding the Fourth Proportional to 168,871.94, 253,214.31 and 69,102.08
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Solution
The fourth proportional to 168,871.94, 253,214.31 and 69,102.08 is: 103,614.82
Step by Step Solution
- Step 1: Write the proportion equation
168,871.94 : 253,214.31 = 69,102.08 : x - Step 2: Convert to fraction form
168,871.94/253,214.31 = 69,102.08/x - Step 3: Cross multiply
168,871.94x = 253,214.31 × 69,102.08 - Step 4: Simplify right side
168,871.94x = 17,497,635,506.76 - Step 5: Solve for x
x = 17,497,635,506.76/168,871.94 - Step 6: Final answer
x = 103,614.82
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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.