Finding the Fourth Proportional to 519,421.50, 716,845.44 and 293,110.74
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Solution
The fourth proportional to 519,421.50, 716,845.44 and 293,110.74 is: 404,517.52
Step by Step Solution
- Step 1: Write the proportion equation
519,421.50 : 716,845.44 = 293,110.74 : x - Step 2: Convert to fraction form
519,421.50/716,845.44 = 293,110.74/x - Step 3: Cross multiply
519,421.50x = 716,845.44 × 293,110.74 - Step 4: Simplify right side
519,421.50x = 210,115,097,384.03 - Step 5: Solve for x
x = 210,115,097,384.03/519,421.50 - Step 6: Final answer
x = 404,517.52
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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.