Finding the Fourth Proportional to 492,852.70, 739,279.05 and 118,875.70
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Solution
The fourth proportional to 492,852.70, 739,279.05 and 118,875.70 is: 178,313.55
Step by Step Solution
- Step 1: Write the proportion equation
492,852.70 : 739,279.05 = 118,875.70 : x - Step 2: Convert to fraction form
492,852.70/739,279.05 = 118,875.70/x - Step 3: Cross multiply
492,852.70x = 739,279.05 × 118,875.70 - Step 4: Simplify right side
492,852.70x = 87,882,314,564.09 - Step 5: Solve for x
x = 87,882,314,564.09/492,852.70 - Step 6: Final answer
x = 178,313.55
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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.