Finding the Fourth Proportional to 372,447.44, 513,989.12 and 211,309.28
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Solution
The fourth proportional to 372,447.44, 513,989.12 and 211,309.28 is: 291,613.42
Step by Step Solution
- Step 1: Write the proportion equation
372,447.44 : 513,989.12 = 211,309.28 : x - Step 2: Convert to fraction form
372,447.44/513,989.12 = 211,309.28/x - Step 3: Cross multiply
372,447.44x = 513,989.12 × 211,309.28 - Step 4: Simplify right side
372,447.44x = 108,610,670,875.03 - Step 5: Solve for x
x = 108,610,670,875.03/372,447.44 - Step 6: Final answer
x = 291,613.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.