Finding the Fourth Proportional to 631,296.45, 947,358.99 and 231,940.53
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Solution
The fourth proportional to 631,296.45, 947,358.99 and 231,940.53 is: 348,063.02
Step by Step Solution
- Step 1: Write the proportion equation
631,296.45 : 947,358.99 = 231,940.53 : x - Step 2: Convert to fraction form
631,296.45/947,358.99 = 231,940.53/x - Step 3: Cross multiply
631,296.45x = 947,358.99 × 231,940.53 - Step 4: Simplify right side
631,296.45x = 219,730,946,240.87 - Step 5: Solve for x
x = 219,730,946,240.87/631,296.45 - Step 6: Final answer
x = 348,063.02
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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.