Finding the Fourth Proportional to 264,139.60, 396,209.40 and 97,893.20
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Solution
The fourth proportional to 264,139.60, 396,209.40 and 97,893.20 is: 146,839.80
Step by Step Solution
- Step 1: Write the proportion equation
264,139.60 : 396,209.40 = 97,893.20 : x - Step 2: Convert to fraction form
264,139.60/396,209.40 = 97,893.20/x - Step 3: Cross multiply
264,139.60x = 396,209.40 × 97,893.20 - Step 4: Simplify right side
264,139.60x = 38,786,206,036.08 - Step 5: Solve for x
x = 38,786,206,036.08/264,139.60 - Step 6: Final answer
x = 146,839.80
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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.