Finding the Fourth Proportional to 205,637.94, 283,768.58 and 113,751.74
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Solution
The fourth proportional to 205,637.94, 283,768.58 and 113,751.74 is: 156,970.89
Step by Step Solution
- Step 1: Write the proportion equation
205,637.94 : 283,768.58 = 113,751.74 : x - Step 2: Convert to fraction form
205,637.94/283,768.58 = 113,751.74/x - Step 3: Cross multiply
205,637.94x = 283,768.58 × 113,751.74 - Step 4: Simplify right side
205,637.94x = 32,279,170,726.13 - Step 5: Solve for x
x = 32,279,170,726.13/205,637.94 - Step 6: Final answer
x = 156,970.89
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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.