Finding the Fourth Proportional to 536,164.95, 804,579.81 and 311,631.12
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Solution
The fourth proportional to 536,164.95, 804,579.81 and 311,631.12 is: 467,639.88
Step by Step Solution
- Step 1: Write the proportion equation
536,164.95 : 804,579.81 = 311,631.12 : x - Step 2: Convert to fraction form
536,164.95/804,579.81 = 311,631.12/x - Step 3: Cross multiply
536,164.95x = 804,579.81 × 311,631.12 - Step 4: Simplify right side
536,164.95x = 250,732,109,290.41 - Step 5: Solve for x
x = 250,732,109,290.41/536,164.95 - Step 6: Final answer
x = 467,639.88
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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.