Finding the Fourth Proportional to 163,040.98, 224,900.99 and 102,515.70
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Solution
The fourth proportional to 163,040.98, 224,900.99 and 102,515.70 is: 141,411.58
Step by Step Solution
- Step 1: Write the proportion equation
163,040.98 : 224,900.99 = 102,515.70 : x - Step 2: Convert to fraction form
163,040.98/224,900.99 = 102,515.70/x - Step 3: Cross multiply
163,040.98x = 224,900.99 × 102,515.70 - Step 4: Simplify right side
163,040.98x = 23,055,882,420.54 - Step 5: Solve for x
x = 23,055,882,420.54/163,040.98 - Step 6: Final answer
x = 141,411.58
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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.