Finding the Fourth Proportional to 509,974.05, 764,961.08 and 230,038.05
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Solution
The fourth proportional to 509,974.05, 764,961.08 and 230,038.05 is: 345,057.08
Step by Step Solution
- Step 1: Write the proportion equation
509,974.05 : 764,961.08 = 230,038.05 : x - Step 2: Convert to fraction form
509,974.05/764,961.08 = 230,038.05/x - Step 3: Cross multiply
509,974.05x = 764,961.08 × 230,038.05 - Step 4: Simplify right side
509,974.05x = 175,970,154,018.90 - Step 5: Solve for x
x = 175,970,154,018.90/509,974.05 - Step 6: Final answer
x = 345,057.08
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1.5x scale
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.