Finding the Fourth Proportional to 628,850.79, 943,143.95 and 202,424.76
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Solution
The fourth proportional to 628,850.79, 943,143.95 and 202,424.76 is: 303,594.57
Step by Step Solution
- Step 1: Write the proportion equation
628,850.79 : 943,143.95 = 202,424.76 : x - Step 2: Convert to fraction form
628,850.79/943,143.95 = 202,424.76/x - Step 3: Cross multiply
628,850.79x = 943,143.95 × 202,424.76 - Step 4: Simplify right side
628,850.79x = 190,915,686,712.08 - Step 5: Solve for x
x = 190,915,686,712.08/628,850.79 - Step 6: Final answer
x = 303,594.57
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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.