Finding the Fourth Proportional to 422,395.92, 633,482.64 and 156,232.68
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Solution
The fourth proportional to 422,395.92, 633,482.64 and 156,232.68 is: 234,307.88
Step by Step Solution
- Step 1: Write the proportion equation
422,395.92 : 633,482.64 = 156,232.68 : x - Step 2: Convert to fraction form
422,395.92/633,482.64 = 156,232.68/x - Step 3: Cross multiply
422,395.92x = 633,482.64 × 156,232.68 - Step 4: Simplify right side
422,395.92x = 98,970,690,580.68 - Step 5: Solve for x
x = 98,970,690,580.68/422,395.92 - Step 6: Final answer
x = 234,307.88
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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.