Finding the Fourth Proportional to 247,358.99, 341,355.51 and 139,926.74
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Solution
The fourth proportional to 247,358.99, 341,355.51 and 139,926.74 is: 193,098.96
Step by Step Solution
- Step 1: Write the proportion equation
247,358.99 : 341,355.51 = 139,926.74 : x - Step 2: Convert to fraction form
247,358.99/341,355.51 = 139,926.74/x - Step 3: Cross multiply
247,358.99x = 341,355.51 × 139,926.74 - Step 4: Simplify right side
247,358.99x = 47,764,761,988.56 - Step 5: Solve for x
x = 47,764,761,988.56/247,358.99 - Step 6: Final answer
x = 193,098.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.