Finding the Fourth Proportional to 312,435.84, 468,358.40 and 283,797.12
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Solution
The fourth proportional to 312,435.84, 468,358.40 and 283,797.12 is: 425,427.39
Step by Step Solution
- Step 1: Write the proportion equation
312,435.84 : 468,358.40 = 283,797.12 : x - Step 2: Convert to fraction form
312,435.84/468,358.40 = 283,797.12/x - Step 3: Cross multiply
312,435.84x = 468,358.40 × 283,797.12 - Step 4: Simplify right side
312,435.84x = 132,918,765,047.81 - Step 5: Solve for x
x = 132,918,765,047.81/312,435.84 - Step 6: Final answer
x = 425,427.39
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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.