Finding the Fourth Proportional to 450,611.75, 621,853.94 and 249,407.75
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Solution
The fourth proportional to 450,611.75, 621,853.94 and 249,407.75 is: 344,188.08
Step by Step Solution
- Step 1: Write the proportion equation
450,611.75 : 621,853.94 = 249,407.75 : x - Step 2: Convert to fraction form
450,611.75/621,853.94 = 249,407.75/x - Step 3: Cross multiply
450,611.75x = 621,853.94 × 249,407.75 - Step 4: Simplify right side
450,611.75x = 155,095,192,004.04 - Step 5: Solve for x
x = 155,095,192,004.04/450,611.75 - Step 6: Final answer
x = 344,188.08
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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.