Finding the Fourth Proportional to 299,027.70, 448,541.55 and 272,783.70
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Solution
The fourth proportional to 299,027.70, 448,541.55 and 272,783.70 is: 409,175.55
Step by Step Solution
- Step 1: Write the proportion equation
299,027.70 : 448,541.55 = 272,783.70 : x - Step 2: Convert to fraction form
299,027.70/448,541.55 = 272,783.70/x - Step 3: Cross multiply
299,027.70x = 448,541.55 × 272,783.70 - Step 4: Simplify right side
299,027.70x = 122,354,823,612.74 - Step 5: Solve for x
x = 122,354,823,612.74/299,027.70 - Step 6: Final answer
x = 409,175.55
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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.