Finding the Fourth Proportional to 239,053.05, 358,465.23 and 139,241.70
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Solution
The fourth proportional to 239,053.05, 358,465.23 and 139,241.70 is: 208,795.95
Step by Step Solution
- Step 1: Write the proportion equation
239,053.05 : 358,465.23 = 139,241.70 : x - Step 2: Convert to fraction form
239,053.05/358,465.23 = 139,241.70/x - Step 3: Cross multiply
239,053.05x = 358,465.23 × 139,241.70 - Step 4: Simplify right side
239,053.05x = 49,913,308,016.09 - Step 5: Solve for x
x = 49,913,308,016.09/239,053.05 - Step 6: Final answer
x = 208,795.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.