Finding the Fourth Proportional to 252,203.10, 348,035.50 and 137,482.80
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Solution
The fourth proportional to 252,203.10, 348,035.50 and 137,482.80 is: 189,723.66
Step by Step Solution
- Step 1: Write the proportion equation
252,203.10 : 348,035.50 = 137,482.80 : x - Step 2: Convert to fraction form
252,203.10/348,035.50 = 137,482.80/x - Step 3: Cross multiply
252,203.10x = 348,035.50 × 137,482.80 - Step 4: Simplify right side
252,203.10x = 47,848,895,039.40 - Step 5: Solve for x
x = 47,848,895,039.40/252,203.10 - Step 6: Final answer
x = 189,723.66
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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.