Finding the Fourth Proportional to 377,455.35, 520,878.81 and 205,365.99
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Solution
The fourth proportional to 377,455.35, 520,878.81 and 205,365.99 is: 283,399.86
Step by Step Solution
- Step 1: Write the proportion equation
377,455.35 : 520,878.81 = 205,365.99 : x - Step 2: Convert to fraction form
377,455.35/520,878.81 = 205,365.99/x - Step 3: Cross multiply
377,455.35x = 520,878.81 × 205,365.99 - Step 4: Simplify right side
377,455.35x = 106,970,792,485.67 - Step 5: Solve for x
x = 106,970,792,485.67/377,455.35 - Step 6: Final answer
x = 283,399.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.