Finding the Fourth Proportional to 631,477.62, 947,202.84 and 205,012.62
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Solution
The fourth proportional to 631,477.62, 947,202.84 and 205,012.62 is: 307,514.52
Step by Step Solution
- Step 1: Write the proportion equation
631,477.62 : 947,202.84 = 205,012.62 : x - Step 2: Convert to fraction form
631,477.62/947,202.84 = 205,012.62/x - Step 3: Cross multiply
631,477.62x = 947,202.84 × 205,012.62 - Step 4: Simplify right side
631,477.62x = 194,188,535,899.84 - Step 5: Solve for x
x = 194,188,535,899.84/631,477.62 - Step 6: Final answer
x = 307,514.52
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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.