Finding the Fourth Proportional to 98,838.58, 148,266.99 and 32,279.06
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Solution
The fourth proportional to 98,838.58, 148,266.99 and 32,279.06 is: 48,421.57
Step by Step Solution
- Step 1: Write the proportion equation
98,838.58 : 148,266.99 = 32,279.06 : x - Step 2: Convert to fraction form
98,838.58/148,266.99 = 32,279.06/x - Step 3: Cross multiply
98,838.58x = 148,266.99 × 32,279.06 - Step 4: Simplify right side
98,838.58x = 4,785,919,066.23 - Step 5: Solve for x
x = 4,785,919,066.23/98,838.58 - Step 6: Final answer
x = 48,421.57
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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.