Finding the Fourth Proportional to 233,717.20, 322,595.80 and 138,257.08
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Solution
The fourth proportional to 233,717.20, 322,595.80 and 138,257.08 is: 190,833.85
Step by Step Solution
- Step 1: Write the proportion equation
233,717.20 : 322,595.80 = 138,257.08 : x - Step 2: Convert to fraction form
233,717.20/322,595.80 = 138,257.08/x - Step 3: Cross multiply
233,717.20x = 322,595.80 × 138,257.08 - Step 4: Simplify right side
233,717.20x = 44,601,153,328.26 - Step 5: Solve for x
x = 44,601,153,328.26/233,717.20 - Step 6: Final answer
x = 190,833.85
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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.