Finding the Fourth Proportional to 368,390.86, 508,378.64 and 207,246.02
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Solution
The fourth proportional to 368,390.86, 508,378.64 and 207,246.02 is: 285,999.09
Step by Step Solution
- Step 1: Write the proportion equation
368,390.86 : 508,378.64 = 207,246.02 : x - Step 2: Convert to fraction form
368,390.86/508,378.64 = 207,246.02/x - Step 3: Cross multiply
368,390.86x = 508,378.64 × 207,246.02 - Step 4: Simplify right side
368,390.86x = 105,359,449,793.01 - Step 5: Solve for x
x = 105,359,449,793.01/368,390.86 - Step 6: Final answer
x = 285,999.09
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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.