Finding the Fourth Proportional to 285,562.55, 428,233.08 and 152,370.14
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Solution
The fourth proportional to 285,562.55, 428,233.08 and 152,370.14 is: 228,496.12
Step by Step Solution
- Step 1: Write the proportion equation
285,562.55 : 428,233.08 = 152,370.14 : x - Step 2: Convert to fraction form
285,562.55/428,233.08 = 152,370.14/x - Step 3: Cross multiply
285,562.55x = 428,233.08 × 152,370.14 - Step 4: Simplify right side
285,562.55x = 65,249,932,211.07 - Step 5: Solve for x
x = 65,249,932,211.07/285,562.55 - Step 6: Final answer
x = 228,496.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.