Finding the Fourth Proportional to 502,201.92, 753,302.40 and 128,225.28
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Solution
The fourth proportional to 502,201.92, 753,302.40 and 128,225.28 is: 192,337.80
Step by Step Solution
- Step 1: Write the proportion equation
502,201.92 : 753,302.40 = 128,225.28 : x - Step 2: Convert to fraction form
502,201.92/753,302.40 = 128,225.28/x - Step 3: Cross multiply
502,201.92x = 753,302.40 × 128,225.28 - Step 4: Simplify right side
502,201.92x = 96,592,411,164.67 - Step 5: Solve for x
x = 96,592,411,164.67/502,201.92 - Step 6: Final answer
x = 192,337.80
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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.