Finding the Fourth Proportional to 210,986.08, 291,167.76 and 115,493.44
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Solution
The fourth proportional to 210,986.08, 291,167.76 and 115,493.44 is: 159,384.76
Step by Step Solution
- Step 1: Write the proportion equation
210,986.08 : 291,167.76 = 115,493.44 : x - Step 2: Convert to fraction form
210,986.08/291,167.76 = 115,493.44/x - Step 3: Cross multiply
210,986.08x = 291,167.76 × 115,493.44 - Step 4: Simplify right side
210,986.08x = 33,627,966,219.49 - Step 5: Solve for x
x = 33,627,966,219.49/210,986.08 - Step 6: Final answer
x = 159,384.76
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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.