Finding the Fourth Proportional to 457,950.08, 687,070.64 and 205,447.70
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Solution
The fourth proportional to 457,950.08, 687,070.64 and 205,447.70 is: 308,236.83
Step by Step Solution
- Step 1: Write the proportion equation
457,950.08 : 687,070.64 = 205,447.70 : x - Step 2: Convert to fraction form
457,950.08/687,070.64 = 205,447.70/x - Step 3: Cross multiply
457,950.08x = 687,070.64 × 205,447.70 - Step 4: Simplify right side
457,950.08x = 141,157,079,803.79 - Step 5: Solve for x
x = 141,157,079,803.79/457,950.08 - Step 6: Final answer
x = 308,236.83
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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.