Finding the Fourth Proportional to 153,986.62, 230,988.12 and 48,813.82
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Solution
The fourth proportional to 153,986.62, 230,988.12 and 48,813.82 is: 73,223.33
Step by Step Solution
- Step 1: Write the proportion equation
153,986.62 : 230,988.12 = 48,813.82 : x - Step 2: Convert to fraction form
153,986.62/230,988.12 = 48,813.82/x - Step 3: Cross multiply
153,986.62x = 230,988.12 × 48,813.82 - Step 4: Simplify right side
153,986.62x = 11,275,412,511.82 - Step 5: Solve for x
x = 11,275,412,511.82/153,986.62 - Step 6: Final answer
x = 73,223.33
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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.