Finding the Fourth Proportional to 377,296.17, 520,657.86 and 207,530.31
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Solution
The fourth proportional to 377,296.17, 520,657.86 and 207,530.31 is: 286,385.86
Step by Step Solution
- Step 1: Write the proportion equation
377,296.17 : 520,657.86 = 207,530.31 : x - Step 2: Convert to fraction form
377,296.17/520,657.86 = 207,530.31/x - Step 3: Cross multiply
377,296.17x = 520,657.86 × 207,530.31 - Step 4: Simplify right side
377,296.17x = 108,052,287,089.74 - Step 5: Solve for x
x = 108,052,287,089.74/377,296.17 - Step 6: Final answer
x = 286,385.86
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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.