Finding the Fourth Proportional to 372,005.60, 513,353.37 and 202,239.80
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Solution
The fourth proportional to 372,005.60, 513,353.37 and 202,239.80 is: 279,083.12
Step by Step Solution
- Step 1: Write the proportion equation
372,005.60 : 513,353.37 = 202,239.80 : x - Step 2: Convert to fraction form
372,005.60/513,353.37 = 202,239.80/x - Step 3: Cross multiply
372,005.60x = 513,353.37 × 202,239.80 - Step 4: Simplify right side
372,005.60x = 103,820,482,878.13 - Step 5: Solve for x
x = 103,820,482,878.13/372,005.60 - Step 6: Final answer
x = 279,083.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.