Finding the Fourth Proportional to 447,051.98, 616,919.43 and 245,847.98
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Solution
The fourth proportional to 447,051.98, 616,919.43 and 245,847.98 is: 339,263.45
Step by Step Solution
- Step 1: Write the proportion equation
447,051.98 : 616,919.43 = 245,847.98 : x - Step 2: Convert to fraction form
447,051.98/616,919.43 = 245,847.98/x - Step 3: Cross multiply
447,051.98x = 616,919.43 × 245,847.98 - Step 4: Simplify right side
447,051.98x = 151,668,395,688.25 - Step 5: Solve for x
x = 151,668,395,688.25/447,051.98 - Step 6: Final answer
x = 339,263.45
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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.