Finding the Fourth Proportional to 325,395.12, 448,813.80 and 298,624.08
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Solution
The fourth proportional to 325,395.12, 448,813.80 and 298,624.08 is: 411,888.81
Step by Step Solution
- Step 1: Write the proportion equation
325,395.12 : 448,813.80 = 298,624.08 : x - Step 2: Convert to fraction form
325,395.12/448,813.80 = 298,624.08/x - Step 3: Cross multiply
325,395.12x = 448,813.80 × 298,624.08 - Step 4: Simplify right side
325,395.12x = 134,026,608,116.30 - Step 5: Solve for x
x = 134,026,608,116.30/325,395.12 - Step 6: Final answer
x = 411,888.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.