Finding the Fourth Proportional to 553,860.23, 764,327.88 and 299,211.48
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Solution
The fourth proportional to 553,860.23, 764,327.88 and 299,211.48 is: 412,912.26
Step by Step Solution
- Step 1: Write the proportion equation
553,860.23 : 764,327.88 = 299,211.48 : x - Step 2: Convert to fraction form
553,860.23/764,327.88 = 299,211.48/x - Step 3: Cross multiply
553,860.23x = 764,327.88 × 299,211.48 - Step 4: Simplify right side
553,860.23x = 228,695,676,180.06 - Step 5: Solve for x
x = 228,695,676,180.06/553,860.23 - Step 6: Final answer
x = 412,912.26
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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.