Finding the Fourth Proportional to 275,461.70, 413,192.55 and 157,363.70
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Solution
The fourth proportional to 275,461.70, 413,192.55 and 157,363.70 is: 236,045.55
Step by Step Solution
- Step 1: Write the proportion equation
275,461.70 : 413,192.55 = 157,363.70 : x - Step 2: Convert to fraction form
275,461.70/413,192.55 = 157,363.70/x - Step 3: Cross multiply
275,461.70x = 413,192.55 × 157,363.70 - Step 4: Simplify right side
275,461.70x = 65,021,508,480.44 - Step 5: Solve for x
x = 65,021,508,480.44/275,461.70 - Step 6: Final answer
x = 236,045.55
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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.