Finding the Fourth Proportional to 288,148.66, 397,681.05 and 167,263.99
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Solution
The fourth proportional to 288,148.66, 397,681.05 and 167,263.99 is: 230,845.14
Step by Step Solution
- Step 1: Write the proportion equation
288,148.66 : 397,681.05 = 167,263.99 : x - Step 2: Convert to fraction form
288,148.66/397,681.05 = 167,263.99/x - Step 3: Cross multiply
288,148.66x = 397,681.05 × 167,263.99 - Step 4: Simplify right side
288,148.66x = 66,517,719,170.39 - Step 5: Solve for x
x = 66,517,719,170.39/288,148.66 - Step 6: Final answer
x = 230,845.14
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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.