Finding the Fourth Proportional to 468,659.12, 646,748.28 and 253,799.12
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Solution
The fourth proportional to 468,659.12, 646,748.28 and 253,799.12 is: 350,242.09
Step by Step Solution
- Step 1: Write the proportion equation
468,659.12 : 646,748.28 = 253,799.12 : x - Step 2: Convert to fraction form
468,659.12/646,748.28 = 253,799.12/x - Step 3: Cross multiply
468,659.12x = 646,748.28 × 253,799.12 - Step 4: Simplify right side
468,659.12x = 164,144,145,942.38 - Step 5: Solve for x
x = 164,144,145,942.38/468,659.12 - Step 6: Final answer
x = 350,242.09
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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.