Finding the Fourth Proportional to 289,425.17, 399,420.98 and 174,701.99
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Solution
The fourth proportional to 289,425.17, 399,420.98 and 174,701.99 is: 241,097.34
Step by Step Solution
- Step 1: Write the proportion equation
289,425.17 : 399,420.98 = 174,701.99 : x - Step 2: Convert to fraction form
289,425.17/399,420.98 = 174,701.99/x - Step 3: Cross multiply
289,425.17x = 399,420.98 × 174,701.99 - Step 4: Simplify right side
289,425.17x = 69,779,639,180.24 - Step 5: Solve for x
x = 69,779,639,180.24/289,425.17 - Step 6: Final answer
x = 241,097.34
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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.