Finding the Fourth Proportional to 202,106.66, 278,926.90 and 151,030.70
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Solution
The fourth proportional to 202,106.66, 278,926.90 and 151,030.70 is: 208,437.09
Step by Step Solution
- Step 1: Write the proportion equation
202,106.66 : 278,926.90 = 151,030.70 : x - Step 2: Convert to fraction form
202,106.66/278,926.90 = 151,030.70/x - Step 3: Cross multiply
202,106.66x = 278,926.90 × 151,030.70 - Step 4: Simplify right side
202,106.66x = 42,126,524,955.83 - Step 5: Solve for x
x = 42,126,524,955.83/202,106.66 - Step 6: Final answer
x = 208,437.09
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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.