Finding the Fourth Proportional to 372,011.84, 513,354.54 and 202,244.48
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Solution
The fourth proportional to 372,011.84, 513,354.54 and 202,244.48 is: 279,085.53
Step by Step Solution
- Step 1: Write the proportion equation
372,011.84 : 513,354.54 = 202,244.48 : x - Step 2: Convert to fraction form
372,011.84/513,354.54 = 202,244.48/x - Step 3: Cross multiply
372,011.84x = 513,354.54 × 202,244.48 - Step 4: Simplify right side
372,011.84x = 103,823,121,997.94 - Step 5: Solve for x
x = 103,823,121,997.94/372,011.84 - Step 6: Final answer
x = 279,085.53
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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.