Finding the Fourth Proportional to 134,847.30, 202,437.35 and 84,927.30
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Solution
The fourth proportional to 134,847.30, 202,437.35 and 84,927.30 is: 127,495.75
Step by Step Solution
- Step 1: Write the proportion equation
134,847.30 : 202,437.35 = 84,927.30 : x - Step 2: Convert to fraction form
134,847.30/202,437.35 = 84,927.30/x - Step 3: Cross multiply
134,847.30x = 202,437.35 × 84,927.30 - Step 4: Simplify right side
134,847.30x = 17,192,457,554.66 - Step 5: Solve for x
x = 17,192,457,554.66/134,847.30 - Step 6: Final answer
x = 127,495.75
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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.