Finding the Fourth Proportional to 304,444.75, 420,134.57 and 168,488.07
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Solution
The fourth proportional to 304,444.75, 420,134.57 and 168,488.07 is: 232,513.99
Step by Step Solution
- Step 1: Write the proportion equation
304,444.75 : 420,134.57 = 168,488.07 : x - Step 2: Convert to fraction form
304,444.75/420,134.57 = 168,488.07/x - Step 3: Cross multiply
304,444.75x = 420,134.57 × 168,488.07 - Step 4: Simplify right side
304,444.75x = 70,787,662,839.58 - Step 5: Solve for x
x = 70,787,662,839.58/304,444.75 - Step 6: Final answer
x = 232,513.99
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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.