Finding the Fourth Proportional to 104,998.10, 157,497.15 and 103,615.70
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Solution
The fourth proportional to 104,998.10, 157,497.15 and 103,615.70 is: 155,423.55
Step by Step Solution
- Step 1: Write the proportion equation
104,998.10 : 157,497.15 = 103,615.70 : x - Step 2: Convert to fraction form
104,998.10/157,497.15 = 103,615.70/x - Step 3: Cross multiply
104,998.10x = 157,497.15 × 103,615.70 - Step 4: Simplify right side
104,998.10x = 16,319,177,445.26 - Step 5: Solve for x
x = 16,319,177,445.26/104,998.10 - Step 6: Final answer
x = 155,423.55
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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.