Finding the Fourth Proportional to 172,779.59, 259,173.48 and 46,419.99
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Solution
The fourth proportional to 172,779.59, 259,173.48 and 46,419.99 is: 69,631.09
Step by Step Solution
- Step 1: Write the proportion equation
172,779.59 : 259,173.48 = 46,419.99 : x - Step 2: Convert to fraction form
172,779.59/259,173.48 = 46,419.99/x - Step 3: Cross multiply
172,779.59x = 259,173.48 × 46,419.99 - Step 4: Simplify right side
172,779.59x = 12,030,830,349.87 - Step 5: Solve for x
x = 12,030,830,349.87/172,779.59 - Step 6: Final answer
x = 69,631.09
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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.