Finding the Fourth Proportional to 224,048.93, 309,194.53 and 128,573.09
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Solution
The fourth proportional to 224,048.93, 309,194.53 and 128,573.09 is: 177,434.88
Step by Step Solution
- Step 1: Write the proportion equation
224,048.93 : 309,194.53 = 128,573.09 : x - Step 2: Convert to fraction form
224,048.93/309,194.53 = 128,573.09/x - Step 3: Cross multiply
224,048.93x = 309,194.53 × 128,573.09 - Step 4: Simplify right side
224,048.93x = 39,754,095,490.33 - Step 5: Solve for x
x = 39,754,095,490.33/224,048.93 - Step 6: Final answer
x = 177,434.88
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1.5x scale
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.