Finding the Fourth Proportional to 368,378.86, 508,362.08 and 207,234.02
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Solution
The fourth proportional to 368,378.86, 508,362.08 and 207,234.02 is: 285,982.53
Step by Step Solution
- Step 1: Write the proportion equation
368,378.86 : 508,362.08 = 207,234.02 : x - Step 2: Convert to fraction form
368,378.86/508,362.08 = 207,234.02/x - Step 3: Cross multiply
368,378.86x = 508,362.08 × 207,234.02 - Step 4: Simplify right side
368,378.86x = 105,349,917,453.96 - Step 5: Solve for x
x = 105,349,917,453.96/368,378.86 - Step 6: Final answer
x = 285,982.53
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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.