Finding the Fourth Proportional to 347,873.95, 521,885.40 and 107,982.58
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Solution
The fourth proportional to 347,873.95, 521,885.40 and 107,982.58 is: 161,996.99
Step by Step Solution
- Step 1: Write the proportion equation
347,873.95 : 521,885.40 = 107,982.58 : x - Step 2: Convert to fraction form
347,873.95/521,885.40 = 107,982.58/x - Step 3: Cross multiply
347,873.95x = 521,885.40 × 107,982.58 - Step 4: Simplify right side
347,873.95x = 56,354,531,416.42 - Step 5: Solve for x
x = 56,354,531,416.42/347,873.95 - Step 6: Final answer
x = 161,996.99
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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.