Finding the Fourth Proportional to 233,888.36, 322,848.92 and 138,394.85
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Solution
The fourth proportional to 233,888.36, 322,848.92 and 138,394.85 is: 191,033.99
Step by Step Solution
- Step 1: Write the proportion equation
233,888.36 : 322,848.92 = 138,394.85 : x - Step 2: Convert to fraction form
233,888.36/322,848.92 = 138,394.85/x - Step 3: Cross multiply
233,888.36x = 322,848.92 × 138,394.85 - Step 4: Simplify right side
233,888.36x = 44,680,626,587.80 - Step 5: Solve for x
x = 44,680,626,587.80/233,888.36 - Step 6: Final answer
x = 191,033.99
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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.