Finding the Fourth Proportional to 416,955.23, 575,400.29 and 225,968.63
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Solution
The fourth proportional to 416,955.23, 575,400.29 and 225,968.63 is: 311,837.82
Step by Step Solution
- Step 1: Write the proportion equation
416,955.23 : 575,400.29 = 225,968.63 : x - Step 2: Convert to fraction form
416,955.23/575,400.29 = 225,968.63/x - Step 3: Cross multiply
416,955.23x = 575,400.29 × 225,968.63 - Step 4: Simplify right side
416,955.23x = 130,022,411,226.06 - Step 5: Solve for x
x = 130,022,411,226.06/416,955.23 - Step 6: Final answer
x = 311,837.82
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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.