Finding the Fourth Proportional to 472,378.99, 708,080.17 and 219,453.12
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Solution
The fourth proportional to 472,378.99, 708,080.17 and 219,453.12 is: 328,952.82
Step by Step Solution
- Step 1: Write the proportion equation
472,378.99 : 708,080.17 = 219,453.12 : x - Step 2: Convert to fraction form
472,378.99/708,080.17 = 219,453.12/x - Step 3: Cross multiply
472,378.99x = 708,080.17 × 219,453.12 - Step 4: Simplify right side
472,378.99x = 155,390,402,516.63 - Step 5: Solve for x
x = 155,390,402,516.63/472,378.99 - Step 6: Final answer
x = 328,952.82
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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.