Finding the Fourth Proportional to 635,783.29, 953,315.91 and 209,204.08
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Solution
The fourth proportional to 635,783.29, 953,315.91 and 209,204.08 is: 313,687.99
Step by Step Solution
- Step 1: Write the proportion equation
635,783.29 : 953,315.91 = 209,204.08 : x - Step 2: Convert to fraction form
635,783.29/953,315.91 = 209,204.08/x - Step 3: Cross multiply
635,783.29x = 953,315.91 × 209,204.08 - Step 4: Simplify right side
635,783.29x = 199,437,580,291.64 - Step 5: Solve for x
x = 199,437,580,291.64/635,783.29 - Step 6: Final answer
x = 313,687.99
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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.