Finding the Fourth Proportional to 281,988.18, 423,007.20 and 79,586.08
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Solution
The fourth proportional to 281,988.18, 423,007.20 and 79,586.08 is: 119,386.15
Step by Step Solution
- Step 1: Write the proportion equation
281,988.18 : 423,007.20 = 79,586.08 : x - Step 2: Convert to fraction form
281,988.18/423,007.20 = 79,586.08/x - Step 3: Cross multiply
281,988.18x = 423,007.20 × 79,586.08 - Step 4: Simplify right side
281,988.18x = 33,665,483,802.26 - Step 5: Solve for x
x = 33,665,483,802.26/281,988.18 - Step 6: Final answer
x = 119,386.15
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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.