Finding the Fourth Proportional to 98,621.36, 147,931.68 and 24,749.36
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Solution
The fourth proportional to 98,621.36, 147,931.68 and 24,749.36 is: 37,123.95
Step by Step Solution
- Step 1: Write the proportion equation
98,621.36 : 147,931.68 = 24,749.36 : x - Step 2: Convert to fraction form
98,621.36/147,931.68 = 24,749.36/x - Step 3: Cross multiply
98,621.36x = 147,931.68 × 24,749.36 - Step 4: Simplify right side
98,621.36x = 3,661,214,403.72 - Step 5: Solve for x
x = 3,661,214,403.72/98,621.36 - Step 6: Final answer
x = 37,123.95
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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.