Finding the Fourth Proportional to 538,587.26, 807,878.46 and 139,194.08
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Solution
The fourth proportional to 538,587.26, 807,878.46 and 139,194.08 is: 208,790.49
Step by Step Solution
- Step 1: Write the proportion equation
538,587.26 : 807,878.46 = 139,194.08 : x - Step 2: Convert to fraction form
538,587.26/807,878.46 = 139,194.08/x - Step 3: Cross multiply
538,587.26x = 807,878.46 × 139,194.08 - Step 4: Simplify right side
538,587.26x = 112,451,898,991.52 - Step 5: Solve for x
x = 112,451,898,991.52/538,587.26 - Step 6: Final answer
x = 208,790.49
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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.