Finding the Fourth Proportional to 283,102.95, 390,670.34 and 154,041.96
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Solution
The fourth proportional to 283,102.95, 390,670.34 and 154,041.96 is: 212,571.52
Step by Step Solution
- Step 1: Write the proportion equation
283,102.95 : 390,670.34 = 154,041.96 : x - Step 2: Convert to fraction form
283,102.95/390,670.34 = 154,041.96/x - Step 3: Cross multiply
283,102.95x = 390,670.34 × 154,041.96 - Step 4: Simplify right side
283,102.95x = 60,179,624,887.47 - Step 5: Solve for x
x = 60,179,624,887.47/283,102.95 - Step 6: Final answer
x = 212,571.52
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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.