Finding the Fourth Proportional to 331,655.39, 457,685.95 and 188,423.29
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Solution
The fourth proportional to 331,655.39, 457,685.95 and 188,423.29 is: 260,024.99
Step by Step Solution
- Step 1: Write the proportion equation
331,655.39 : 457,685.95 = 188,423.29 : x - Step 2: Convert to fraction form
331,655.39/457,685.95 = 188,423.29/x - Step 3: Cross multiply
331,655.39x = 457,685.95 × 188,423.29 - Step 4: Simplify right side
331,655.39x = 86,238,689,255.23 - Step 5: Solve for x
x = 86,238,689,255.23/331,655.39 - Step 6: Final answer
x = 260,024.99
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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.