Finding the Fourth Proportional to 519,134.40, 778,125.60 and 203,486.40
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Solution
The fourth proportional to 519,134.40, 778,125.60 and 203,486.40 is: 305,003.82
Step by Step Solution
- Step 1: Write the proportion equation
519,134.40 : 778,125.60 = 203,486.40 : x - Step 2: Convert to fraction form
519,134.40/778,125.60 = 203,486.40/x - Step 3: Cross multiply
519,134.40x = 778,125.60 × 203,486.40 - Step 4: Simplify right side
519,134.40x = 158,337,977,091.84 - Step 5: Solve for x
x = 158,337,977,091.84/519,134.40 - Step 6: Final answer
x = 305,003.82
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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.