Finding the Fourth Proportional to 631,479.99, 947,369.40 and 205,014.99
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Solution
The fourth proportional to 631,479.99, 947,369.40 and 205,014.99 is: 307,570.99
Step by Step Solution
- Step 1: Write the proportion equation
631,479.99 : 947,369.40 = 205,014.99 : x - Step 2: Convert to fraction form
631,479.99/947,369.40 = 205,014.99/x - Step 3: Cross multiply
631,479.99x = 947,369.40 × 205,014.99 - Step 4: Simplify right side
631,479.99x = 194,224,928,067.31 - Step 5: Solve for x
x = 194,224,928,067.31/631,479.99 - Step 6: Final answer
x = 307,570.99
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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.