Finding the Fourth Proportional to 440,623.68, 608,053.68 and 259,314.09
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Solution
The fourth proportional to 440,623.68, 608,053.68 and 259,314.09 is: 357,849.33
Step by Step Solution
- Step 1: Write the proportion equation
440,623.68 : 608,053.68 = 259,314.09 : x - Step 2: Convert to fraction form
440,623.68/608,053.68 = 259,314.09/x - Step 3: Cross multiply
440,623.68x = 608,053.68 × 259,314.09 - Step 4: Simplify right side
440,623.68x = 157,676,886,700.35 - Step 5: Solve for x
x = 157,676,886,700.35/440,623.68 - Step 6: Final answer
x = 357,849.33
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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.