Finding the Fourth Proportional to 149,638.58, 224,459.84 and 49,798.79
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Solution
The fourth proportional to 149,638.58, 224,459.84 and 49,798.79 is: 74,698.84
Step by Step Solution
- Step 1: Write the proportion equation
149,638.58 : 224,459.84 = 49,798.79 : x - Step 2: Convert to fraction form
149,638.58/224,459.84 = 49,798.79/x - Step 3: Cross multiply
149,638.58x = 224,459.84 × 49,798.79 - Step 4: Simplify right side
149,638.58x = 11,177,827,313.29 - Step 5: Solve for x
x = 11,177,827,313.29/149,638.58 - Step 6: Final answer
x = 74,698.84
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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.