Finding the Fourth Proportional to 247,324.60, 370,986.90 and 97,515.10
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Solution
The fourth proportional to 247,324.60, 370,986.90 and 97,515.10 is: 146,272.65
Step by Step Solution
- Step 1: Write the proportion equation
247,324.60 : 370,986.90 = 97,515.10 : x - Step 2: Convert to fraction form
247,324.60/370,986.90 = 97,515.10/x - Step 3: Cross multiply
247,324.60x = 370,986.90 × 97,515.10 - Step 4: Simplify right side
247,324.60x = 36,176,824,652.19 - Step 5: Solve for x
x = 36,176,824,652.19/247,324.60 - Step 6: Final answer
x = 146,272.65
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1.5x scale
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.