Finding the Fourth Proportional to 229,975.40, 344,963.10 and 97,005.80
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Solution
The fourth proportional to 229,975.40, 344,963.10 and 97,005.80 is: 145,508.70
Step by Step Solution
- Step 1: Write the proportion equation
229,975.40 : 344,963.10 = 97,005.80 : x - Step 2: Convert to fraction form
229,975.40/344,963.10 = 97,005.80/x - Step 3: Cross multiply
229,975.40x = 344,963.10 × 97,005.80 - Step 4: Simplify right side
229,975.40x = 33,463,421,485.98 - Step 5: Solve for x
x = 33,463,421,485.98/229,975.40 - Step 6: Final answer
x = 145,508.70
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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.