Finding the Fourth Proportional to 288,338.93, 432,600.93 and 138,590.07
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Solution
The fourth proportional to 288,338.93, 432,600.93 and 138,590.07 is: 207,929.58
Step by Step Solution
- Step 1: Write the proportion equation
288,338.93 : 432,600.93 = 138,590.07 : x - Step 2: Convert to fraction form
288,338.93/432,600.93 = 138,590.07/x - Step 3: Cross multiply
288,338.93x = 432,600.93 × 138,590.07 - Step 4: Simplify right side
288,338.93x = 59,954,192,477.81 - Step 5: Solve for x
x = 59,954,192,477.81/288,338.93 - Step 6: Final answer
x = 207,929.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.