Finding the Fourth Proportional to 288,855.24, 398,776.95 and 174,154.38
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Solution
The fourth proportional to 288,855.24, 398,776.95 and 174,154.38 is: 240,427.53
Step by Step Solution
- Step 1: Write the proportion equation
288,855.24 : 398,776.95 = 174,154.38 : x - Step 2: Convert to fraction form
288,855.24/398,776.95 = 174,154.38/x - Step 3: Cross multiply
288,855.24x = 398,776.95 × 174,154.38 - Step 4: Simplify right side
288,855.24x = 69,448,752,485.54 - Step 5: Solve for x
x = 69,448,752,485.54/288,855.24 - Step 6: Final answer
x = 240,427.53
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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.