Finding the Fourth Proportional to 360,511.75, 497,497.98 and 199,368.19
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Solution
The fourth proportional to 360,511.75, 497,497.98 and 199,368.19 is: 275,123.55
Step by Step Solution
- Step 1: Write the proportion equation
360,511.75 : 497,497.98 = 199,368.19 : x - Step 2: Convert to fraction form
360,511.75/497,497.98 = 199,368.19/x - Step 3: Cross multiply
360,511.75x = 497,497.98 × 199,368.19 - Step 4: Simplify right side
360,511.75x = 99,185,271,801.26 - Step 5: Solve for x
x = 99,185,271,801.26/360,511.75 - Step 6: Final answer
x = 275,123.55
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1.5x scale
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.