Finding the Fourth Proportional to 633,090.88, 949,860.96 and 212,366.08
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Solution
The fourth proportional to 633,090.88, 949,860.96 and 212,366.08 is: 318,624.47
Step by Step Solution
- Step 1: Write the proportion equation
633,090.88 : 949,860.96 = 212,366.08 : x - Step 2: Convert to fraction form
633,090.88/949,860.96 = 212,366.08/x - Step 3: Cross multiply
633,090.88x = 949,860.96 × 212,366.08 - Step 4: Simplify right side
633,090.88x = 201,718,248,620.24 - Step 5: Solve for x
x = 201,718,248,620.24/633,090.88 - Step 6: Final answer
x = 318,624.47
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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.