Finding the Fourth Proportional to 387,913.19, 581,863.95 and 174,530.43
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Solution
The fourth proportional to 387,913.19, 581,863.95 and 174,530.43 is: 261,793.02
Step by Step Solution
- Step 1: Write the proportion equation
387,913.19 : 581,863.95 = 174,530.43 : x - Step 2: Convert to fraction form
387,913.19/581,863.95 = 174,530.43/x - Step 3: Cross multiply
387,913.19x = 581,863.95 × 174,530.43 - Step 4: Simplify right side
387,913.19x = 101,552,965,395.00 - Step 5: Solve for x
x = 101,552,965,395.00/387,913.19 - Step 6: Final answer
x = 261,793.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.