Finding the Fourth Proportional to 614,652.80, 922,108.80 and 193,971.20
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Solution
The fourth proportional to 614,652.80, 922,108.80 and 193,971.20 is: 290,997.70
Step by Step Solution
- Step 1: Write the proportion equation
614,652.80 : 922,108.80 = 193,971.20 : x - Step 2: Convert to fraction form
614,652.80/922,108.80 = 193,971.20/x - Step 3: Cross multiply
614,652.80x = 922,108.80 × 193,971.20 - Step 4: Simplify right side
614,652.80x = 178,862,550,466.56 - Step 5: Solve for x
x = 178,862,550,466.56/614,652.80 - Step 6: Final answer
x = 290,997.70
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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.