Finding the Fourth Proportional to 247,359.99, 341,356.89 and 139,927.74
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Solution
The fourth proportional to 247,359.99, 341,356.89 and 139,927.74 is: 193,100.34
Step by Step Solution
- Step 1: Write the proportion equation
247,359.99 : 341,356.89 = 139,927.74 : x - Step 2: Convert to fraction form
247,359.99/341,356.89 = 139,927.74/x - Step 3: Cross multiply
247,359.99x = 341,356.89 × 139,927.74 - Step 4: Simplify right side
247,359.99x = 47,765,298,151.13 - Step 5: Solve for x
x = 47,765,298,151.13/247,359.99 - Step 6: Final answer
x = 193,100.34
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1.5x scale
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.