Finding the Fourth Proportional to 206,349.93, 284,779.80 and 121,483.80
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Solution
The fourth proportional to 206,349.93, 284,779.80 and 121,483.80 is: 167,657.59
Step by Step Solution
- Step 1: Write the proportion equation
206,349.93 : 284,779.80 = 121,483.80 : x - Step 2: Convert to fraction form
206,349.93/284,779.80 = 121,483.80/x - Step 3: Cross multiply
206,349.93x = 284,779.80 × 121,483.80 - Step 4: Simplify right side
206,349.93x = 34,596,132,267.24 - Step 5: Solve for x
x = 34,596,132,267.24/206,349.93 - Step 6: Final answer
x = 167,657.59
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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.