Finding the Fourth Proportional to 519,209.21, 716,544.66 and 289,811.14
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Solution
The fourth proportional to 519,209.21, 716,544.66 and 289,811.14 is: 399,959.44
Step by Step Solution
- Step 1: Write the proportion equation
519,209.21 : 716,544.66 = 289,811.14 : x - Step 2: Convert to fraction form
519,209.21/716,544.66 = 289,811.14/x - Step 3: Cross multiply
519,209.21x = 716,544.66 × 289,811.14 - Step 4: Simplify right side
519,209.21x = 207,662,624,070.94 - Step 5: Solve for x
x = 207,662,624,070.94/519,209.21 - Step 6: Final answer
x = 399,959.44
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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.