Finding the Fourth Proportional to 193,358.23, 266,779.84 and 125,378.07
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Solution
The fourth proportional to 193,358.23, 266,779.84 and 125,378.07 is: 172,986.39
Step by Step Solution
- Step 1: Write the proportion equation
193,358.23 : 266,779.84 = 125,378.07 : x - Step 2: Convert to fraction form
193,358.23/266,779.84 = 125,378.07/x - Step 3: Cross multiply
193,358.23x = 266,779.84 × 125,378.07 - Step 4: Simplify right side
193,358.23x = 33,448,341,454.11 - Step 5: Solve for x
x = 33,448,341,454.11/193,358.23 - Step 6: Final answer
x = 172,986.39
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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.