Finding the Fourth Proportional to 283,870.13, 425,805.26 and 115,482.06
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Solution
The fourth proportional to 283,870.13, 425,805.26 and 115,482.06 is: 173,223.12
Step by Step Solution
- Step 1: Write the proportion equation
283,870.13 : 425,805.26 = 115,482.06 : x - Step 2: Convert to fraction form
283,870.13/425,805.26 = 115,482.06/x - Step 3: Cross multiply
283,870.13x = 425,805.26 × 115,482.06 - Step 4: Simplify right side
283,870.13x = 49,172,868,006.23 - Step 5: Solve for x
x = 49,172,868,006.23/283,870.13 - Step 6: Final answer
x = 173,223.12
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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.