Finding the Fourth Proportional to 235,564.12, 325,020.36 and 144,934.84
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Solution
The fourth proportional to 235,564.12, 325,020.36 and 144,934.84 is: 199,974.32
Step by Step Solution
- Step 1: Write the proportion equation
235,564.12 : 325,020.36 = 144,934.84 : x - Step 2: Convert to fraction form
235,564.12/325,020.36 = 144,934.84/x - Step 3: Cross multiply
235,564.12x = 325,020.36 × 144,934.84 - Step 4: Simplify right side
235,564.12x = 47,106,773,873.34 - Step 5: Solve for x
x = 47,106,773,873.34/235,564.12 - Step 6: Final answer
x = 199,974.32
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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.