Finding the Fourth Proportional to 168,827.84, 253,148.27 and 69,058.09
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Solution
The fourth proportional to 168,827.84, 253,148.27 and 69,058.09 is: 103,548.89
Step by Step Solution
- Step 1: Write the proportion equation
168,827.84 : 253,148.27 = 69,058.09 : x - Step 2: Convert to fraction form
168,827.84/253,148.27 = 69,058.09/x - Step 3: Cross multiply
168,827.84x = 253,148.27 × 69,058.09 - Step 4: Simplify right side
168,827.84x = 17,481,935,984.15 - Step 5: Solve for x
x = 17,481,935,984.15/168,827.84 - Step 6: Final answer
x = 103,548.89
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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.