Finding the Fourth Proportional to 519,386.96, 778,765.08 and 203,465.36
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Solution
The fourth proportional to 519,386.96, 778,765.08 and 203,465.36 is: 305,074.50
Step by Step Solution
- Step 1: Write the proportion equation
519,386.96 : 778,765.08 = 203,465.36 : x - Step 2: Convert to fraction form
519,386.96/778,765.08 = 203,465.36/x - Step 3: Cross multiply
519,386.96x = 778,765.08 × 203,465.36 - Step 4: Simplify right side
519,386.96x = 158,451,717,357.63 - Step 5: Solve for x
x = 158,451,717,357.63/519,386.96 - Step 6: Final answer
x = 305,074.50
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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.