Finding the Fourth Proportional to 473,163.20, 709,744.80 and 224,331.20
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Solution
The fourth proportional to 473,163.20, 709,744.80 and 224,331.20 is: 336,496.80
Step by Step Solution
- Step 1: Write the proportion equation
473,163.20 : 709,744.80 = 224,331.20 : x - Step 2: Convert to fraction form
473,163.20/709,744.80 = 224,331.20/x - Step 3: Cross multiply
473,163.20x = 709,744.80 × 224,331.20 - Step 4: Simplify right side
473,163.20x = 159,217,902,677.76 - Step 5: Solve for x
x = 159,217,902,677.76/473,163.20 - Step 6: Final answer
x = 336,496.80
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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.