Finding the Fourth Proportional to 344,813.76, 475,813.44 and 201,557.16
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Solution
The fourth proportional to 344,813.76, 475,813.44 and 201,557.16 is: 278,131.61
Step by Step Solution
- Step 1: Write the proportion equation
344,813.76 : 475,813.44 = 201,557.16 : x - Step 2: Convert to fraction form
344,813.76/475,813.44 = 201,557.16/x - Step 3: Cross multiply
344,813.76x = 475,813.44 × 201,557.16 - Step 4: Simplify right side
344,813.76x = 95,903,605,656.23 - Step 5: Solve for x
x = 95,903,605,656.23/344,813.76 - Step 6: Final answer
x = 278,131.61
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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.