Finding the Fourth Proportional to 524,135.68, 786,387.96 and 258,083.08
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Solution
The fourth proportional to 524,135.68, 786,387.96 and 258,083.08 is: 387,215.44
Step by Step Solution
- Step 1: Write the proportion equation
524,135.68 : 786,387.96 = 258,083.08 : x - Step 2: Convert to fraction form
524,135.68/786,387.96 = 258,083.08/x - Step 3: Cross multiply
524,135.68x = 786,387.96 × 258,083.08 - Step 4: Simplify right side
524,135.68x = 202,953,426,791.72 - Step 5: Solve for x
x = 202,953,426,791.72/524,135.68 - Step 6: Final answer
x = 387,215.44
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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.