Finding the Fourth Proportional to 152,954.55, 211,084.56 and 84,971.70
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Solution
The fourth proportional to 152,954.55, 211,084.56 and 84,971.70 is: 117,264.99
Step by Step Solution
- Step 1: Write the proportion equation
152,954.55 : 211,084.56 = 84,971.70 : x - Step 2: Convert to fraction form
152,954.55/211,084.56 = 84,971.70/x - Step 3: Cross multiply
152,954.55x = 211,084.56 × 84,971.70 - Step 4: Simplify right side
152,954.55x = 17,936,213,906.95 - Step 5: Solve for x
x = 17,936,213,906.95/152,954.55 - Step 6: Final answer
x = 117,264.99
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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.