Finding the Fourth Proportional to 268,055.34, 369,924.99 and 154,878.06
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Solution
The fourth proportional to 268,055.34, 369,924.99 and 154,878.06 is: 213,736.70
Step by Step Solution
- Step 1: Write the proportion equation
268,055.34 : 369,924.99 = 154,878.06 : x - Step 2: Convert to fraction form
268,055.34/369,924.99 = 154,878.06/x - Step 3: Cross multiply
268,055.34x = 369,924.99 × 154,878.06 - Step 4: Simplify right side
268,055.34x = 57,293,264,796.72 - Step 5: Solve for x
x = 57,293,264,796.72/268,055.34 - Step 6: Final answer
x = 213,736.70
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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.