Finding the Fourth Proportional to 288,852.36, 398,482.07 and 186,910.71
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Solution
The fourth proportional to 288,852.36, 398,482.07 and 186,910.71 is: 257,849.95
Step by Step Solution
- Step 1: Write the proportion equation
288,852.36 : 398,482.07 = 186,910.71 : x - Step 2: Convert to fraction form
288,852.36/398,482.07 = 186,910.71/x - Step 3: Cross multiply
288,852.36x = 398,482.07 × 186,910.71 - Step 4: Simplify right side
288,852.36x = 74,480,565,691.42 - Step 5: Solve for x
x = 74,480,565,691.42/288,852.36 - Step 6: Final answer
x = 257,849.95
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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.