Finding the Fourth Proportional to 425,331.84, 637,997.76 and 125,789.11
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Solution
The fourth proportional to 425,331.84, 637,997.76 and 125,789.11 is: 188,683.66
Step by Step Solution
- Step 1: Write the proportion equation
425,331.84 : 637,997.76 = 125,789.11 : x - Step 2: Convert to fraction form
425,331.84/637,997.76 = 125,789.11/x - Step 3: Cross multiply
425,331.84x = 637,997.76 × 125,789.11 - Step 4: Simplify right side
425,331.84x = 80,253,166,593.46 - Step 5: Solve for x
x = 80,253,166,593.46/425,331.84 - Step 6: Final answer
x = 188,683.66
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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.