Finding the Fourth Proportional to 412,637.39, 618,751.95 and 146,357.99
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Solution
The fourth proportional to 412,637.39, 618,751.95 and 146,357.99 is: 219,464.58
Step by Step Solution
- Step 1: Write the proportion equation
412,637.39 : 618,751.95 = 146,357.99 : x - Step 2: Convert to fraction form
412,637.39/618,751.95 = 146,357.99/x - Step 3: Cross multiply
412,637.39x = 618,751.95 × 146,357.99 - Step 4: Simplify right side
412,637.39x = 90,559,288,616.82 - Step 5: Solve for x
x = 90,559,288,616.82/412,637.39 - Step 6: Final answer
x = 219,464.58
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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.