Finding the Fourth Proportional to 216,888.94, 299,303.79 and 121,395.62
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Solution
The fourth proportional to 216,888.94, 299,303.79 and 121,395.62 is: 167,524.31
Step by Step Solution
- Step 1: Write the proportion equation
216,888.94 : 299,303.79 = 121,395.62 : x - Step 2: Convert to fraction form
216,888.94/299,303.79 = 121,395.62/x - Step 3: Cross multiply
216,888.94x = 299,303.79 × 121,395.62 - Step 4: Simplify right side
216,888.94x = 36,334,169,155.40 - Step 5: Solve for x
x = 36,334,169,155.40/216,888.94 - Step 6: Final answer
x = 167,524.31
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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.