Finding the Fourth Proportional to 211,130.08, 291,363.75 and 115,636.84
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Solution
The fourth proportional to 211,130.08, 291,363.75 and 115,636.84 is: 159,581.16
Step by Step Solution
- Step 1: Write the proportion equation
211,130.08 : 291,363.75 = 115,636.84 : x - Step 2: Convert to fraction form
211,130.08/291,363.75 = 115,636.84/x - Step 3: Cross multiply
211,130.08x = 291,363.75 × 115,636.84 - Step 4: Simplify right side
211,130.08x = 33,692,382,612.14 - Step 5: Solve for x
x = 33,692,382,612.14/211,130.08 - Step 6: Final answer
x = 159,581.16
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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.