Finding the Fourth Proportional to 153,941.67, 230,918.99 and 48,758.31
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Solution
The fourth proportional to 153,941.67, 230,918.99 and 48,758.31 is: 73,139.52
Step by Step Solution
- Step 1: Write the proportion equation
153,941.67 : 230,918.99 = 48,758.31 : x - Step 2: Convert to fraction form
153,941.67/230,918.99 = 48,758.31/x - Step 3: Cross multiply
153,941.67x = 230,918.99 × 48,758.31 - Step 4: Simplify right side
153,941.67x = 11,259,219,455.52 - Step 5: Solve for x
x = 11,259,219,455.52/153,941.67 - Step 6: Final answer
x = 73,139.52
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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.