Finding the Fourth Proportional to 357,878.79, 536,905.98 and 178,049.07
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Solution
The fourth proportional to 357,878.79, 536,905.98 and 178,049.07 is: 267,117.28
Step by Step Solution
- Step 1: Write the proportion equation
357,878.79 : 536,905.98 = 178,049.07 : x - Step 2: Convert to fraction form
357,878.79/536,905.98 = 178,049.07/x - Step 3: Cross multiply
357,878.79x = 536,905.98 × 178,049.07 - Step 4: Simplify right side
357,878.79x = 95,595,610,416.44 - Step 5: Solve for x
x = 95,595,610,416.44/357,878.79 - Step 6: Final answer
x = 267,117.28
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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.