Finding the Fourth Proportional to 447,857.93, 618,044.61 and 243,909.74
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Solution
The fourth proportional to 447,857.93, 618,044.61 and 243,909.74 is: 336,595.80
Step by Step Solution
- Step 1: Write the proportion equation
447,857.93 : 618,044.61 = 243,909.74 : x - Step 2: Convert to fraction form
447,857.93/618,044.61 = 243,909.74/x - Step 3: Cross multiply
447,857.93x = 618,044.61 × 243,909.74 - Step 4: Simplify right side
447,857.93x = 150,747,097,043.28 - Step 5: Solve for x
x = 150,747,097,043.28/447,857.93 - Step 6: Final answer
x = 336,595.80
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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.