Finding the Fourth Proportional to 256,688.99, 354,088.58 and 149,247.14
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Solution
The fourth proportional to 256,688.99, 354,088.58 and 149,247.14 is: 205,878.35
Step by Step Solution
- Step 1: Write the proportion equation
256,688.99 : 354,088.58 = 149,247.14 : x - Step 2: Convert to fraction form
256,688.99/354,088.58 = 149,247.14/x - Step 3: Cross multiply
256,688.99x = 354,088.58 × 149,247.14 - Step 4: Simplify right side
256,688.99x = 52,846,705,354.98 - Step 5: Solve for x
x = 52,846,705,354.98/256,688.99 - Step 6: Final answer
x = 205,878.35
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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.