Finding the Fourth Proportional to 437,619.68, 603,914.68 and 236,415.68
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Solution
The fourth proportional to 437,619.68, 603,914.68 and 236,415.68 is: 326,253.38
Step by Step Solution
- Step 1: Write the proportion equation
437,619.68 : 603,914.68 = 236,415.68 : x - Step 2: Convert to fraction form
437,619.68/603,914.68 = 236,415.68/x - Step 3: Cross multiply
437,619.68x = 603,914.68 × 236,415.68 - Step 4: Simplify right side
437,619.68x = 142,774,899,734.18 - Step 5: Solve for x
x = 142,774,899,734.18/437,619.68 - Step 6: Final answer
x = 326,253.38
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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.