Finding the Fourth Proportional to 306,154.49, 459,440.71 and 106,472.88
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Solution
The fourth proportional to 306,154.49, 459,440.71 and 106,472.88 is: 159,782.00
Step by Step Solution
- Step 1: Write the proportion equation
306,154.49 : 459,440.71 = 106,472.88 : x - Step 2: Convert to fraction form
306,154.49/459,440.71 = 106,472.88/x - Step 3: Cross multiply
306,154.49x = 459,440.71 × 106,472.88 - Step 4: Simplify right side
306,154.49x = 48,917,975,316.76 - Step 5: Solve for x
x = 48,917,975,316.76/306,154.49 - Step 6: Final answer
x = 159,782.00
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1.5x scale
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.