Finding the Fourth Proportional to 306,627.70, 459,984.88 and 106,918.96
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Solution
The fourth proportional to 306,627.70, 459,984.88 and 106,918.96 is: 160,393.55
Step by Step Solution
- Step 1: Write the proportion equation
306,627.70 : 459,984.88 = 106,918.96 : x - Step 2: Convert to fraction form
306,627.70/459,984.88 = 106,918.96/x - Step 3: Cross multiply
306,627.70x = 459,984.88 × 106,918.96 - Step 4: Simplify right side
306,627.70x = 49,181,104,985.32 - Step 5: Solve for x
x = 49,181,104,985.32/306,627.70 - Step 6: Final answer
x = 160,393.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.