Finding the Fourth Proportional to 98,947.48, 148,421.76 and 32,387.08
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Solution
The fourth proportional to 98,947.48, 148,421.76 and 32,387.08 is: 48,580.80
Step by Step Solution
- Step 1: Write the proportion equation
98,947.48 : 148,421.76 = 32,387.08 : x - Step 2: Convert to fraction form
98,947.48/148,421.76 = 32,387.08/x - Step 3: Cross multiply
98,947.48x = 148,421.76 × 32,387.08 - Step 4: Simplify right side
98,947.48x = 4,806,947,414.86 - Step 5: Solve for x
x = 4,806,947,414.86/98,947.48 - Step 6: Final answer
x = 48,580.80
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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.