Finding the Fourth Proportional to 313,262.76, 469,894.14 and 76,602.63
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Solution
The fourth proportional to 313,262.76, 469,894.14 and 76,602.63 is: 114,903.95
Step by Step Solution
- Step 1: Write the proportion equation
313,262.76 : 469,894.14 = 76,602.63 : x - Step 2: Convert to fraction form
313,262.76/469,894.14 = 76,602.63/x - Step 3: Cross multiply
313,262.76x = 469,894.14 × 76,602.63 - Step 4: Simplify right side
313,262.76x = 35,995,126,945.59 - Step 5: Solve for x
x = 35,995,126,945.59/313,262.76 - Step 6: Final answer
x = 114,903.95
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1.5x scale
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.