Finding the Fourth Proportional to 371,305.28, 512,358.60 and 207,938.96
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Solution
The fourth proportional to 371,305.28, 512,358.60 and 207,938.96 is: 286,931.86
Step by Step Solution
- Step 1: Write the proportion equation
371,305.28 : 512,358.60 = 207,938.96 : x - Step 2: Convert to fraction form
371,305.28/512,358.60 = 207,938.96/x - Step 3: Cross multiply
371,305.28x = 512,358.60 × 207,938.96 - Step 4: Simplify right side
371,305.28x = 106,539,314,431.06 - Step 5: Solve for x
x = 106,539,314,431.06/371,305.28 - Step 6: Final answer
x = 286,931.86
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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.