Finding the Fourth Proportional to 288,652.14, 398,332.08 and 157,824.99
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Solution
The fourth proportional to 288,652.14, 398,332.08 and 157,824.99 is: 217,794.18
Step by Step Solution
- Step 1: Write the proportion equation
288,652.14 : 398,332.08 = 157,824.99 : x - Step 2: Convert to fraction form
288,652.14/398,332.08 = 157,824.99/x - Step 3: Cross multiply
288,652.14x = 398,332.08 × 157,824.99 - Step 4: Simplify right side
288,652.14x = 62,866,756,542.68 - Step 5: Solve for x
x = 62,866,756,542.68/288,652.14 - Step 6: Final answer
x = 217,794.18
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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.