Finding the Fourth Proportional to 202,987.30, 304,480.95 and 97,816.90
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Solution
The fourth proportional to 202,987.30, 304,480.95 and 97,816.90 is: 146,725.35
Step by Step Solution
- Step 1: Write the proportion equation
202,987.30 : 304,480.95 = 97,816.90 : x - Step 2: Convert to fraction form
202,987.30/304,480.95 = 97,816.90/x - Step 3: Cross multiply
202,987.30x = 304,480.95 × 97,816.90 - Step 4: Simplify right side
202,987.30x = 29,783,382,638.06 - Step 5: Solve for x
x = 29,783,382,638.06/202,987.30 - Step 6: Final answer
x = 146,725.35
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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.