Finding the Fourth Proportional to 408,126.14, 563,371.05 and 272,110.39
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Solution
The fourth proportional to 408,126.14, 563,371.05 and 272,110.39 is: 375,616.99
Step by Step Solution
- Step 1: Write the proportion equation
408,126.14 : 563,371.05 = 272,110.39 : x - Step 2: Convert to fraction form
408,126.14/563,371.05 = 272,110.39/x - Step 3: Cross multiply
408,126.14x = 563,371.05 × 272,110.39 - Step 4: Simplify right side
408,126.14x = 153,299,114,211.58 - Step 5: Solve for x
x = 153,299,114,211.58/408,126.14 - Step 6: Final answer
x = 375,616.99
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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.