Finding the Fourth Proportional to 178,202, 245,918.76 and 98,714
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Solution
The fourth proportional to 178,202, 245,918.76 and 98,714 is: 136,225.32
Step by Step Solution
- Step 1: Write the proportion equation
178,202 : 245,918.76 = 98,714 : x - Step 2: Convert to fraction form
178,202/245,918.76 = 98,714/x - Step 3: Cross multiply
178,202x = 245,918.76 × 98,714 - Step 4: Simplify right side
178,202x = 24,275,624,474.64 - Step 5: Solve for x
x = 24,275,624,474.64/178,202 - Step 6: Final answer
x = 136,225.32
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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.