Finding the Fourth Proportional to 315,996.24, 473,994.84 and 126,541.92
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Solution
The fourth proportional to 315,996.24, 473,994.84 and 126,541.92 is: 189,813.07
Step by Step Solution
- Step 1: Write the proportion equation
315,996.24 : 473,994.84 = 126,541.92 : x - Step 2: Convert to fraction form
315,996.24/473,994.84 = 126,541.92/x - Step 3: Cross multiply
315,996.24x = 473,994.84 × 126,541.92 - Step 4: Simplify right side
315,996.24x = 59,980,217,123.69 - Step 5: Solve for x
x = 59,980,217,123.69/315,996.24 - Step 6: Final answer
x = 189,813.07
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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.