Finding the Fourth Proportional to 368,375.76, 508,353.48 and 207,230.76
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Solution
The fourth proportional to 368,375.76, 508,353.48 and 207,230.76 is: 285,975.60
Step by Step Solution
- Step 1: Write the proportion equation
368,375.76 : 508,353.48 = 207,230.76 : x - Step 2: Convert to fraction form
368,375.76/508,353.48 = 207,230.76/x - Step 3: Cross multiply
368,375.76x = 508,353.48 × 207,230.76 - Step 4: Simplify right side
368,375.76x = 105,346,478,009.05 - Step 5: Solve for x
x = 105,346,478,009.05/368,375.76 - Step 6: Final answer
x = 285,975.60
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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.