Finding the Fourth Proportional to 519,201.15, 778,801.73 and 219,604.02
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Solution
The fourth proportional to 519,201.15, 778,801.73 and 219,604.02 is: 329,406.03
Step by Step Solution
- Step 1: Write the proportion equation
519,201.15 : 778,801.73 = 219,604.02 : x - Step 2: Convert to fraction form
519,201.15/778,801.73 = 219,604.02/x - Step 3: Cross multiply
519,201.15x = 778,801.73 × 219,604.02 - Step 4: Simplify right side
519,201.15x = 171,027,989,592.93 - Step 5: Solve for x
x = 171,027,989,592.93/519,201.15 - Step 6: Final answer
x = 329,406.03
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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.