Finding the Fourth Proportional to 418,330.40, 627,056.99 and 204,803.87
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Solution
The fourth proportional to 418,330.40, 627,056.99 and 204,803.87 is: 306,991.07
Step by Step Solution
- Step 1: Write the proportion equation
418,330.40 : 627,056.99 = 204,803.87 : x - Step 2: Convert to fraction form
418,330.40/627,056.99 = 204,803.87/x - Step 3: Cross multiply
418,330.40x = 627,056.99 × 204,803.87 - Step 4: Simplify right side
418,330.40x = 128,423,697,238.53 - Step 5: Solve for x
x = 128,423,697,238.53/418,330.40 - Step 6: Final answer
x = 306,991.07
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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.