Finding the Fourth Proportional to 291,258.84, 401,937.12 and 163,935.12
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Solution
The fourth proportional to 291,258.84, 401,937.12 and 163,935.12 is: 226,230.42
Step by Step Solution
- Step 1: Write the proportion equation
291,258.84 : 401,937.12 = 163,935.12 : x - Step 2: Convert to fraction form
291,258.84/401,937.12 = 163,935.12/x - Step 3: Cross multiply
291,258.84x = 401,937.12 × 163,935.12 - Step 4: Simplify right side
291,258.84x = 65,891,609,999.65 - Step 5: Solve for x
x = 65,891,609,999.65/291,258.84 - Step 6: Final answer
x = 226,230.42
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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.