Finding the Fourth Proportional to 224,722.89, 310,242.15 and 153,207.99
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Solution
The fourth proportional to 224,722.89, 310,242.15 and 153,207.99 is: 211,511.95
Step by Step Solution
- Step 1: Write the proportion equation
224,722.89 : 310,242.15 = 153,207.99 : x - Step 2: Convert to fraction form
224,722.89/310,242.15 = 153,207.99/x - Step 3: Cross multiply
224,722.89x = 310,242.15 × 153,207.99 - Step 4: Simplify right side
224,722.89x = 47,531,576,214.78 - Step 5: Solve for x
x = 47,531,576,214.78/224,722.89 - Step 6: Final answer
x = 211,511.95
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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.