Finding the Fourth Proportional to 513,184.25, 708,216.14 and 286,829.75
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Solution
The fourth proportional to 513,184.25, 708,216.14 and 286,829.75 is: 395,837.28
Step by Step Solution
- Step 1: Write the proportion equation
513,184.25 : 708,216.14 = 286,829.75 : x - Step 2: Convert to fraction form
513,184.25/708,216.14 = 286,829.75/x - Step 3: Cross multiply
513,184.25x = 708,216.14 × 286,829.75 - Step 4: Simplify right side
513,184.25x = 203,137,458,382.17 - Step 5: Solve for x
x = 203,137,458,382.17/513,184.25 - Step 6: Final answer
x = 395,837.28
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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.