Finding the Fourth Proportional to 98,795.60, 148,266.30 and 39,673.70
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Solution
The fourth proportional to 98,795.60, 148,266.30 and 39,673.70 is: 59,539.82
Step by Step Solution
- Step 1: Write the proportion equation
98,795.60 : 148,266.30 = 39,673.70 : x - Step 2: Convert to fraction form
98,795.60/148,266.30 = 39,673.70/x - Step 3: Cross multiply
98,795.60x = 148,266.30 × 39,673.70 - Step 4: Simplify right side
98,795.60x = 5,882,272,706.31 - Step 5: Solve for x
x = 5,882,272,706.31/98,795.60 - Step 6: Final answer
x = 59,539.82
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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.