Finding the Fourth Proportional to 631,531.84, 947,446.56 and 205,066.12
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Solution
The fourth proportional to 631,531.84, 947,446.56 and 205,066.12 is: 307,647.50
Step by Step Solution
- Step 1: Write the proportion equation
631,531.84 : 947,446.56 = 205,066.12 : x - Step 2: Convert to fraction form
631,531.84/947,446.56 = 205,066.12/x - Step 3: Cross multiply
631,531.84x = 947,446.56 × 205,066.12 - Step 4: Simplify right side
631,531.84x = 194,289,189,966.55 - Step 5: Solve for x
x = 194,289,189,966.55/631,531.84 - Step 6: Final answer
x = 307,647.50
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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.