Finding the Fourth Proportional to 377,187.18, 520,532.19 and 207,437.10
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Solution
The fourth proportional to 377,187.18, 520,532.19 and 207,437.10 is: 286,270.83
Step by Step Solution
- Step 1: Write the proportion equation
377,187.18 : 520,532.19 = 207,437.10 : x - Step 2: Convert to fraction form
377,187.18/520,532.19 = 207,437.10/x - Step 3: Cross multiply
377,187.18x = 520,532.19 × 207,437.10 - Step 4: Simplify right side
377,187.18x = 107,977,687,950.25 - Step 5: Solve for x
x = 107,977,687,950.25/377,187.18 - Step 6: Final answer
x = 286,270.83
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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.