Finding the Fourth Proportional to 252,206.19, 348,046.88 and 139,032.99
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Solution
The fourth proportional to 252,206.19, 348,046.88 and 139,032.99 is: 191,866.81
Step by Step Solution
- Step 1: Write the proportion equation
252,206.19 : 348,046.88 = 139,032.99 : x - Step 2: Convert to fraction form
252,206.19/348,046.88 = 139,032.99/x - Step 3: Cross multiply
252,206.19x = 348,046.88 × 139,032.99 - Step 4: Simplify right side
252,206.19x = 48,389,997,691.41 - Step 5: Solve for x
x = 48,389,997,691.41/252,206.19 - Step 6: Final answer
x = 191,866.81
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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.