Finding the Fourth Proportional to 163,553.63, 245,330.45 and 43,610.99
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Solution
The fourth proportional to 163,553.63, 245,330.45 and 43,610.99 is: 65,416.49
Step by Step Solution
- Step 1: Write the proportion equation
163,553.63 : 245,330.45 = 43,610.99 : x - Step 2: Convert to fraction form
163,553.63/245,330.45 = 43,610.99/x - Step 3: Cross multiply
163,553.63x = 245,330.45 × 43,610.99 - Step 4: Simplify right side
163,553.63x = 10,699,103,801.65 - Step 5: Solve for x
x = 10,699,103,801.65/163,553.63 - Step 6: Final answer
x = 65,416.49
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1.5x scale
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.