Finding the Fourth Proportional to 313,551.13, 472,418.55 and 283,599.94
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Solution
The fourth proportional to 313,551.13, 472,418.55 and 283,599.94 is: 427,291.94
Step by Step Solution
- Step 1: Write the proportion equation
313,551.13 : 472,418.55 = 283,599.94 : x - Step 2: Convert to fraction form
313,551.13/472,418.55 = 283,599.94/x - Step 3: Cross multiply
313,551.13x = 472,418.55 × 283,599.94 - Step 4: Simplify right side
313,551.13x = 133,977,871,253.84 - Step 5: Solve for x
x = 133,977,871,253.84/313,551.13 - Step 6: Final answer
x = 427,291.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.