Finding the Fourth Proportional to 210,964.08, 291,133.16 and 115,468.72
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Solution
The fourth proportional to 210,964.08, 291,133.16 and 115,468.72 is: 159,348.33
Step by Step Solution
- Step 1: Write the proportion equation
210,964.08 : 291,133.16 = 115,468.72 : x - Step 2: Convert to fraction form
210,964.08/291,133.16 = 115,468.72/x - Step 3: Cross multiply
210,964.08x = 291,133.16 × 115,468.72 - Step 4: Simplify right side
210,964.08x = 33,616,774,424.97 - Step 5: Solve for x
x = 33,616,774,424.97/210,964.08 - Step 6: Final answer
x = 159,348.33
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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.