Finding the Fourth Proportional to 315,544.32, 473,503.68 and 126,094.05
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Solution
The fourth proportional to 315,544.32, 473,503.68 and 126,094.05 is: 189,215.88
Step by Step Solution
- Step 1: Write the proportion equation
315,544.32 : 473,503.68 = 126,094.05 : x - Step 2: Convert to fraction form
315,544.32/473,503.68 = 126,094.05/x - Step 3: Cross multiply
315,544.32x = 473,503.68 × 126,094.05 - Step 4: Simplify right side
315,544.32x = 59,705,996,701.10 - Step 5: Solve for x
x = 59,705,996,701.10/315,544.32 - Step 6: Final answer
x = 189,215.88
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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.