Finding the Fourth Proportional to 172,927.48, 238,750.99 and 108,485.07
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Solution
The fourth proportional to 172,927.48, 238,750.99 and 108,485.07 is: 149,779.07
Step by Step Solution
- Step 1: Write the proportion equation
172,927.48 : 238,750.99 = 108,485.07 : x - Step 2: Convert to fraction form
172,927.48/238,750.99 = 108,485.07/x - Step 3: Cross multiply
172,927.48x = 238,750.99 × 108,485.07 - Step 4: Simplify right side
172,927.48x = 25,900,917,862.72 - Step 5: Solve for x
x = 25,900,917,862.72/172,927.48 - Step 6: Final answer
x = 149,779.07
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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.