Finding the Fourth Proportional to 372,257.53, 556,977.21 and 220,536.06
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Solution
The fourth proportional to 372,257.53, 556,977.21 and 220,536.06 is: 329,969.31
Step by Step Solution
- Step 1: Write the proportion equation
372,257.53 : 556,977.21 = 220,536.06 : x - Step 2: Convert to fraction form
372,257.53/556,977.21 = 220,536.06/x - Step 3: Cross multiply
372,257.53x = 556,977.21 × 220,536.06 - Step 4: Simplify right side
372,257.53x = 122,833,559,403.19 - Step 5: Solve for x
x = 122,833,559,403.19/372,257.53 - Step 6: Final answer
x = 329,969.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.