Finding the Fourth Proportional to 210,263.84, 290,161.68 and 114,769.76
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Solution
The fourth proportional to 210,263.84, 290,161.68 and 114,769.76 is: 158,380.95
Step by Step Solution
- Step 1: Write the proportion equation
210,263.84 : 290,161.68 = 114,769.76 : x - Step 2: Convert to fraction form
210,263.84/290,161.68 = 114,769.76/x - Step 3: Cross multiply
210,263.84x = 290,161.68 × 114,769.76 - Step 4: Simplify right side
210,263.84x = 33,301,786,374.80 - Step 5: Solve for x
x = 33,301,786,374.80/210,263.84 - Step 6: Final answer
x = 158,380.95
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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.