Finding the Fourth Proportional to 188,622.99, 282,952.98 and 68,712.54
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Solution
The fourth proportional to 188,622.99, 282,952.98 and 68,712.54 is: 103,075.55
Step by Step Solution
- Step 1: Write the proportion equation
188,622.99 : 282,952.98 = 68,712.54 : x - Step 2: Convert to fraction form
188,622.99/282,952.98 = 68,712.54/x - Step 3: Cross multiply
188,622.99x = 282,952.98 × 68,712.54 - Step 4: Simplify right side
188,622.99x = 19,442,417,956.37 - Step 5: Solve for x
x = 19,442,417,956.37/188,622.99 - Step 6: Final answer
x = 103,075.55
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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.