Finding the Fourth Proportional to 469,937.30, 648,495.99 and 255,072.74
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Solution
The fourth proportional to 469,937.30, 648,495.99 and 255,072.74 is: 351,990.89
Step by Step Solution
- Step 1: Write the proportion equation
469,937.30 : 648,495.99 = 255,072.74 : x - Step 2: Convert to fraction form
469,937.30/648,495.99 = 255,072.74/x - Step 3: Cross multiply
469,937.30x = 648,495.99 × 255,072.74 - Step 4: Simplify right side
469,937.30x = 165,413,649,048.31 - Step 5: Solve for x
x = 165,413,649,048.31/469,937.30 - Step 6: Final answer
x = 351,990.89
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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.