Finding the Fourth Proportional to 293,913.99, 405,220.61 and 190,363.95
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Solution
The fourth proportional to 293,913.99, 405,220.61 and 190,363.95 is: 262,455.68
Step by Step Solution
- Step 1: Write the proportion equation
293,913.99 : 405,220.61 = 190,363.95 : x - Step 2: Convert to fraction form
293,913.99/405,220.61 = 190,363.95/x - Step 3: Cross multiply
293,913.99x = 405,220.61 × 190,363.95 - Step 4: Simplify right side
293,913.99x = 77,139,394,989.19 - Step 5: Solve for x
x = 77,139,394,989.19/293,913.99 - Step 6: Final answer
x = 262,455.68
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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.