Finding the Fourth Proportional to 230,955.30, 346,432.95 and 197,129.70
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Solution
The fourth proportional to 230,955.30, 346,432.95 and 197,129.70 is: 295,694.55
Step by Step Solution
- Step 1: Write the proportion equation
230,955.30 : 346,432.95 = 197,129.70 : x - Step 2: Convert to fraction form
230,955.30/346,432.95 = 197,129.70/x - Step 3: Cross multiply
230,955.30x = 346,432.95 × 197,129.70 - Step 4: Simplify right side
230,955.30x = 68,292,223,503.62 - Step 5: Solve for x
x = 68,292,223,503.62/230,955.30 - Step 6: Final answer
x = 295,694.55
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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.