Finding the Fourth Proportional to 674,145.35, 1,011,221.80 and 224,864.99
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Solution
The fourth proportional to 674,145.35, 1,011,221.80 and 224,864.99 is: 337,298.73
Step by Step Solution
- Step 1: Write the proportion equation
674,145.35 : 1,011,221.80 = 224,864.99 : x - Step 2: Convert to fraction form
674,145.35/1,011,221.80 = 224,864.99/x - Step 3: Cross multiply
674,145.35x = 1,011,221.80 × 224,864.99 - Step 4: Simplify right side
674,145.35x = 227,388,374,326.51 - Step 5: Solve for x
x = 227,388,374,326.51/674,145.35 - Step 6: Final answer
x = 337,298.73
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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.