Finding the Fourth Proportional to 252,219.18, 348,051.68 and 137,495.09
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Solution
The fourth proportional to 252,219.18, 348,051.68 and 137,495.09 is: 189,737.34
Step by Step Solution
- Step 1: Write the proportion equation
252,219.18 : 348,051.68 = 137,495.09 : x - Step 2: Convert to fraction form
252,219.18/348,051.68 = 137,495.09/x - Step 3: Cross multiply
252,219.18x = 348,051.68 × 137,495.09 - Step 4: Simplify right side
252,219.18x = 47,855,396,580.13 - Step 5: Solve for x
x = 47,855,396,580.13/252,219.18 - Step 6: Final answer
x = 189,737.34
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1.5x scale
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.