Finding the Fourth Proportional to 502,102.14, 753,152.81 and 128,125.14
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Solution
The fourth proportional to 502,102.14, 753,152.81 and 128,125.14 is: 192,187.61
Step by Step Solution
- Step 1: Write the proportion equation
502,102.14 : 753,152.81 = 128,125.14 : x - Step 2: Convert to fraction form
502,102.14/753,152.81 = 128,125.14/x - Step 3: Cross multiply
502,102.14x = 753,152.81 × 128,125.14 - Step 4: Simplify right side
502,102.14x = 96,497,808,582.02 - Step 5: Solve for x
x = 96,497,808,582.02/502,102.14 - Step 6: Final answer
x = 192,187.61
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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.