Finding the Fourth Proportional to 403,434.19, 605,246.06 and 226,063.63
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Solution
The fourth proportional to 403,434.19, 605,246.06 and 226,063.63 is: 339,148.55
Step by Step Solution
- Step 1: Write the proportion equation
403,434.19 : 605,246.06 = 226,063.63 : x - Step 2: Convert to fraction form
403,434.19/605,246.06 = 226,063.63/x - Step 3: Cross multiply
403,434.19x = 605,246.06 × 226,063.63 - Step 4: Simplify right side
403,434.19x = 136,824,121,366.80 - Step 5: Solve for x
x = 136,824,121,366.80/403,434.19 - Step 6: Final answer
x = 339,148.55
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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.