Finding the Fourth Proportional to 259,716.13, 358,430.13 and 146,560.75
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Solution
The fourth proportional to 259,716.13, 358,430.13 and 146,560.75 is: 202,266.18
Step by Step Solution
- Step 1: Write the proportion equation
259,716.13 : 358,430.13 = 146,560.75 : x - Step 2: Convert to fraction form
259,716.13/358,430.13 = 146,560.75/x - Step 3: Cross multiply
259,716.13x = 358,430.13 × 146,560.75 - Step 4: Simplify right side
259,716.13x = 52,531,788,675.40 - Step 5: Solve for x
x = 52,531,788,675.40/259,716.13 - Step 6: Final answer
x = 202,266.18
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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.