Finding the Fourth Proportional to 340,147.41, 469,246.37 and 219,327.50
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Solution
The fourth proportional to 340,147.41, 469,246.37 and 219,327.50 is: 302,570.67
Step by Step Solution
- Step 1: Write the proportion equation
340,147.41 : 469,246.37 = 219,327.50 : x - Step 2: Convert to fraction form
340,147.41/469,246.37 = 219,327.50/x - Step 3: Cross multiply
340,147.41x = 469,246.37 × 219,327.50 - Step 4: Simplify right side
340,147.41x = 102,918,629,773.31 - Step 5: Solve for x
x = 102,918,629,773.31/340,147.41 - Step 6: Final answer
x = 302,570.67
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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.