Finding the Fourth Proportional to 628,914.60, 943,328.70 and 202,444.20
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Solution
The fourth proportional to 628,914.60, 943,328.70 and 202,444.20 is: 303,652.39
Step by Step Solution
- Step 1: Write the proportion equation
628,914.60 : 943,328.70 = 202,444.20 : x - Step 2: Convert to fraction form
628,914.60/943,328.70 = 202,444.20/x - Step 3: Cross multiply
628,914.60x = 943,328.70 × 202,444.20 - Step 4: Simplify right side
628,914.60x = 190,971,424,008.54 - Step 5: Solve for x
x = 190,971,424,008.54/628,914.60 - Step 6: Final answer
x = 303,652.39
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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.