Finding the Fourth Proportional to 235,779.96, 325,390.86 and 135,210.36
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Solution
The fourth proportional to 235,779.96, 325,390.86 and 135,210.36 is: 186,598.62
Step by Step Solution
- Step 1: Write the proportion equation
235,779.96 : 325,390.86 = 135,210.36 : x - Step 2: Convert to fraction form
235,779.96/325,390.86 = 135,210.36/x - Step 3: Cross multiply
235,779.96x = 325,390.86 × 135,210.36 - Step 4: Simplify right side
235,779.96x = 43,996,215,321.31 - Step 5: Solve for x
x = 43,996,215,321.31/235,779.96 - Step 6: Final answer
x = 186,598.62
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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.