Finding the Fourth Proportional to 230,863.40, 346,295.10 and 73,107.80
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Solution
The fourth proportional to 230,863.40, 346,295.10 and 73,107.80 is: 109,661.70
Step by Step Solution
- Step 1: Write the proportion equation
230,863.40 : 346,295.10 = 73,107.80 : x - Step 2: Convert to fraction form
230,863.40/346,295.10 = 73,107.80/x - Step 3: Cross multiply
230,863.40x = 346,295.10 × 73,107.80 - Step 4: Simplify right side
230,863.40x = 25,316,872,911.78 - Step 5: Solve for x
x = 25,316,872,911.78/230,863.40 - Step 6: Final answer
x = 109,661.70
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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.