Finding the Fourth Proportional to 97,814.40, 146,656.80 and 35,476.80
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Solution
The fourth proportional to 97,814.40, 146,656.80 and 35,476.80 is: 53,191.70
Step by Step Solution
- Step 1: Write the proportion equation
97,814.40 : 146,656.80 = 35,476.80 : x - Step 2: Convert to fraction form
97,814.40/146,656.80 = 35,476.80/x - Step 3: Cross multiply
97,814.40x = 146,656.80 × 35,476.80 - Step 4: Simplify right side
97,814.40x = 5,202,913,962.24 - Step 5: Solve for x
x = 5,202,913,962.24/97,814.40 - Step 6: Final answer
x = 53,191.70
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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.