Finding the Fourth Proportional to 299,412.29, 449,353.07 and 208,866.05
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Solution
The fourth proportional to 299,412.29, 449,353.07 and 208,866.05 is: 313,462.75
Step by Step Solution
- Step 1: Write the proportion equation
299,412.29 : 449,353.07 = 208,866.05 : x - Step 2: Convert to fraction form
299,412.29/449,353.07 = 208,866.05/x - Step 3: Cross multiply
299,412.29x = 449,353.07 × 208,866.05 - Step 4: Simplify right side
299,412.29x = 93,854,599,963.50 - Step 5: Solve for x
x = 93,854,599,963.50/299,412.29 - Step 6: Final answer
x = 313,462.75
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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.