Finding the Fourth Proportional to 510,016.74, 703,779.68 and 295,170.09
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Solution
The fourth proportional to 510,016.74, 703,779.68 and 295,170.09 is: 407,309.60
Step by Step Solution
- Step 1: Write the proportion equation
510,016.74 : 703,779.68 = 295,170.09 : x - Step 2: Convert to fraction form
510,016.74/703,779.68 = 295,170.09/x - Step 3: Cross multiply
510,016.74x = 703,779.68 × 295,170.09 - Step 4: Simplify right side
510,016.74x = 207,734,712,223.70 - Step 5: Solve for x
x = 207,734,712,223.70/510,016.74 - Step 6: Final answer
x = 407,309.60
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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.