Finding the Fourth Proportional to 97,873.20, 146,809.80 and 62,881.20
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Solution
The fourth proportional to 97,873.20, 146,809.80 and 62,881.20 is: 94,321.80
Step by Step Solution
- Step 1: Write the proportion equation
97,873.20 : 146,809.80 = 62,881.20 : x - Step 2: Convert to fraction form
97,873.20/146,809.80 = 62,881.20/x - Step 3: Cross multiply
97,873.20x = 146,809.80 × 62,881.20 - Step 4: Simplify right side
97,873.20x = 9,231,576,395.76 - Step 5: Solve for x
x = 9,231,576,395.76/97,873.20 - Step 6: Final answer
x = 94,321.80
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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.