Finding the Fourth Proportional to 400,419.84, 552,503.68 and 247,591.68
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Solution
The fourth proportional to 400,419.84, 552,503.68 and 247,591.68 is: 341,629.71
Step by Step Solution
- Step 1: Write the proportion equation
400,419.84 : 552,503.68 = 247,591.68 : x - Step 2: Convert to fraction form
400,419.84/552,503.68 = 247,591.68/x - Step 3: Cross multiply
400,419.84x = 552,503.68 × 247,591.68 - Step 4: Simplify right side
400,419.84x = 136,795,314,337.38 - Step 5: Solve for x
x = 136,795,314,337.38/400,419.84 - Step 6: Final answer
x = 341,629.71
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1.5x scale
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.