Finding the Fourth Proportional to 211,862.30, 292,372.08 and 115,068.05
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Solution
The fourth proportional to 211,862.30, 292,372.08 and 115,068.05 is: 158,795.05
Step by Step Solution
- Step 1: Write the proportion equation
211,862.30 : 292,372.08 = 115,068.05 : x - Step 2: Convert to fraction form
211,862.30/292,372.08 = 115,068.05/x - Step 3: Cross multiply
211,862.30x = 292,372.08 × 115,068.05 - Step 4: Simplify right side
211,862.30x = 33,642,683,658.18 - Step 5: Solve for x
x = 33,642,683,658.18/211,862.30 - Step 6: Final answer
x = 158,795.05
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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.