Finding the Fourth Proportional to 211,984.24, 292,554.52 and 121,368.62
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Solution
The fourth proportional to 211,984.24, 292,554.52 and 121,368.62 is: 167,498.01
Step by Step Solution
- Step 1: Write the proportion equation
211,984.24 : 292,554.52 = 121,368.62 : x - Step 2: Convert to fraction form
211,984.24/292,554.52 = 121,368.62/x - Step 3: Cross multiply
211,984.24x = 292,554.52 × 121,368.62 - Step 4: Simplify right side
211,984.24x = 35,506,938,795.13 - Step 5: Solve for x
x = 35,506,938,795.13/211,984.24 - Step 6: Final answer
x = 167,498.01
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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.