Finding the Fourth Proportional to 430,381.94, 644,824.73 and 302,025.98
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Solution
The fourth proportional to 430,381.94, 644,824.73 and 302,025.98 is: 452,513.92
Step by Step Solution
- Step 1: Write the proportion equation
430,381.94 : 644,824.73 = 302,025.98 : x - Step 2: Convert to fraction form
430,381.94/644,824.73 = 302,025.98/x - Step 3: Cross multiply
430,381.94x = 644,824.73 × 302,025.98 - Step 4: Simplify right side
430,381.94x = 194,753,816,272.23 - Step 5: Solve for x
x = 194,753,816,272.23/430,381.94 - Step 6: Final answer
x = 452,513.92
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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.