Finding the Fourth Proportional to 449,627.42, 674,773.30 and 212,970.09
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Solution
The fourth proportional to 449,627.42, 674,773.30 and 212,970.09 is: 319,612.47
Step by Step Solution
- Step 1: Write the proportion equation
449,627.42 : 674,773.30 = 212,970.09 : x - Step 2: Convert to fraction form
449,627.42/674,773.30 = 212,970.09/x - Step 3: Cross multiply
449,627.42x = 674,773.30 × 212,970.09 - Step 4: Simplify right side
449,627.42x = 143,706,533,227.21 - Step 5: Solve for x
x = 143,706,533,227.21/449,627.42 - Step 6: Final answer
x = 319,612.47
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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.