Finding the Fourth Proportional to 286,470.76, 429,708.70 and 117,951.08
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Solution
The fourth proportional to 286,470.76, 429,708.70 and 117,951.08 is: 176,927.67
Step by Step Solution
- Step 1: Write the proportion equation
286,470.76 : 429,708.70 = 117,951.08 : x - Step 2: Convert to fraction form
286,470.76/429,708.70 = 117,951.08/x - Step 3: Cross multiply
286,470.76x = 429,708.70 × 117,951.08 - Step 4: Simplify right side
286,470.76x = 50,684,605,250.40 - Step 5: Solve for x
x = 50,684,605,250.40/286,470.76 - Step 6: Final answer
x = 176,927.67
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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.