Finding the Fourth Proportional to 502,077.63, 753,244.02 and 142,248.09
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Solution
The fourth proportional to 502,077.63, 753,244.02 and 142,248.09 is: 213,408.28
Step by Step Solution
- Step 1: Write the proportion equation
502,077.63 : 753,244.02 = 142,248.09 : x - Step 2: Convert to fraction form
502,077.63/753,244.02 = 142,248.09/x - Step 3: Cross multiply
502,077.63x = 753,244.02 × 142,248.09 - Step 4: Simplify right side
502,077.63x = 107,147,523,148.92 - Step 5: Solve for x
x = 107,147,523,148.92/502,077.63 - Step 6: Final answer
x = 213,408.28
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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.