Finding the Fourth Proportional to 233,779.55, 350,679.74 and 71,661.65
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Solution
The fourth proportional to 233,779.55, 350,679.74 and 71,661.65 is: 107,495.66
Step by Step Solution
- Step 1: Write the proportion equation
233,779.55 : 350,679.74 = 71,661.65 : x - Step 2: Convert to fraction form
233,779.55/350,679.74 = 71,661.65/x - Step 3: Cross multiply
233,779.55x = 350,679.74 × 71,661.65 - Step 4: Simplify right side
233,779.55x = 25,130,286,678.26 - Step 5: Solve for x
x = 25,130,286,678.26/233,779.55 - Step 6: Final answer
x = 107,495.66
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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.