Finding the Fourth Proportional to 199,135.19, 274,681.02 and 118,502.53
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Solution
The fourth proportional to 199,135.19, 274,681.02 and 118,502.53 is: 163,458.78
Step by Step Solution
- Step 1: Write the proportion equation
199,135.19 : 274,681.02 = 118,502.53 : x - Step 2: Convert to fraction form
199,135.19/274,681.02 = 118,502.53/x - Step 3: Cross multiply
199,135.19x = 274,681.02 × 118,502.53 - Step 4: Simplify right side
199,135.19x = 32,550,395,570.66 - Step 5: Solve for x
x = 32,550,395,570.66/199,135.19 - Step 6: Final answer
x = 163,458.78
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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.