Finding the Fourth Proportional to 192,381.18, 265,485.47 and 107,498.31
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Solution
The fourth proportional to 192,381.18, 265,485.47 and 107,498.31 is: 148,347.36
Step by Step Solution
- Step 1: Write the proportion equation
192,381.18 : 265,485.47 = 107,498.31 : x - Step 2: Convert to fraction form
192,381.18/265,485.47 = 107,498.31/x - Step 3: Cross multiply
192,381.18x = 265,485.47 × 107,498.31 - Step 4: Simplify right side
192,381.18x = 28,539,239,354.56 - Step 5: Solve for x
x = 28,539,239,354.56/192,381.18 - Step 6: Final answer
x = 148,347.36
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1.5x scale
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.