Finding the Fourth Proportional to 211,117.01, 291,330.63 and 115,621.65
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Solution
The fourth proportional to 211,117.01, 291,330.63 and 115,621.65 is: 159,551.94
Step by Step Solution
- Step 1: Write the proportion equation
211,117.01 : 291,330.63 = 115,621.65 : x - Step 2: Convert to fraction form
211,117.01/291,330.63 = 115,621.65/x - Step 3: Cross multiply
211,117.01x = 291,330.63 × 115,621.65 - Step 4: Simplify right side
211,117.01x = 33,684,128,136.14 - Step 5: Solve for x
x = 33,684,128,136.14/211,117.01 - Step 6: Final answer
x = 159,551.94
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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.