Finding the Fourth Proportional to 631,473.99, 947,360.39 and 205,008.99
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Solution
The fourth proportional to 631,473.99, 947,360.39 and 205,008.99 is: 307,561.99
Step by Step Solution
- Step 1: Write the proportion equation
631,473.99 : 947,360.39 = 205,008.99 : x - Step 2: Convert to fraction form
631,473.99/947,360.39 = 205,008.99/x - Step 3: Cross multiply
631,473.99x = 947,360.39 × 205,008.99 - Step 4: Simplify right side
631,473.99x = 194,217,395,694.86 - Step 5: Solve for x
x = 194,217,395,694.86/631,473.99 - Step 6: Final answer
x = 307,561.99
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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.