Finding the Fourth Proportional to 465,938.08, 698,903.28 and 133,514.40
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Solution
The fourth proportional to 465,938.08, 698,903.28 and 133,514.40 is: 200,270.50
Step by Step Solution
- Step 1: Write the proportion equation
465,938.08 : 698,903.28 = 133,514.40 : x - Step 2: Convert to fraction form
465,938.08/698,903.28 = 133,514.40/x - Step 3: Cross multiply
465,938.08x = 698,903.28 × 133,514.40 - Step 4: Simplify right side
465,938.08x = 93,313,652,087.23 - Step 5: Solve for x
x = 93,313,652,087.23/465,938.08 - Step 6: Final answer
x = 200,270.50
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1.5x scale
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.