Finding the Fourth Proportional to 608,943.40, 913,415.10 and 188,261.80
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Solution
The fourth proportional to 608,943.40, 913,415.10 and 188,261.80 is: 282,392.70
Step by Step Solution
- Step 1: Write the proportion equation
608,943.40 : 913,415.10 = 188,261.80 : x - Step 2: Convert to fraction form
608,943.40/913,415.10 = 188,261.80/x - Step 3: Cross multiply
608,943.40x = 913,415.10 × 188,261.80 - Step 4: Simplify right side
608,943.40x = 171,961,170,873.18 - Step 5: Solve for x
x = 171,961,170,873.18/608,943.40 - Step 6: Final answer
x = 282,392.70
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1.5x scale
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.