Finding the Fourth Proportional to 447,064.48, 616,936.68 and 245,860.48
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Solution
The fourth proportional to 447,064.48, 616,936.68 and 245,860.48 is: 339,280.70
Step by Step Solution
- Step 1: Write the proportion equation
447,064.48 : 616,936.68 = 245,860.48 : x - Step 2: Convert to fraction form
447,064.48/616,936.68 = 245,860.48/x - Step 3: Cross multiply
447,064.48x = 616,936.68 × 245,860.48 - Step 4: Simplify right side
447,064.48x = 151,680,348,274.41 - Step 5: Solve for x
x = 151,680,348,274.41/447,064.48 - Step 6: Final answer
x = 339,280.70
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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.