Finding the Fourth Proportional to 524,137.68, 786,390.98 and 258,085.08
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Solution
The fourth proportional to 524,137.68, 786,390.98 and 258,085.08 is: 387,218.45
Step by Step Solution
- Step 1: Write the proportion equation
524,137.68 : 786,390.98 = 258,085.08 : x - Step 2: Convert to fraction form
524,137.68/786,390.98 = 258,085.08/x - Step 3: Cross multiply
524,137.68x = 786,390.98 × 258,085.08 - Step 4: Simplify right side
524,137.68x = 202,955,778,984.58 - Step 5: Solve for x
x = 202,955,778,984.58/524,137.68 - Step 6: Final answer
x = 387,218.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.