Finding the Fourth Proportional to 143,153.08, 214,567.62 and 72,883.96
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Solution
The fourth proportional to 143,153.08, 214,567.62 and 72,883.96 is: 109,243.46
Step by Step Solution
- Step 1: Write the proportion equation
143,153.08 : 214,567.62 = 72,883.96 : x - Step 2: Convert to fraction form
143,153.08/214,567.62 = 72,883.96/x - Step 3: Cross multiply
143,153.08x = 214,567.62 × 72,883.96 - Step 4: Simplify right side
143,153.08x = 15,638,537,833.38 - Step 5: Solve for x
x = 15,638,537,833.38/143,153.08 - Step 6: Final answer
x = 109,243.46
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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.