Finding the Fourth Proportional to 431,197.31, 594,733.52 and 316,437.19
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Solution
The fourth proportional to 431,197.31, 594,733.52 and 316,437.19 is: 436,449.39
Step by Step Solution
- Step 1: Write the proportion equation
431,197.31 : 594,733.52 = 316,437.19 : x - Step 2: Convert to fraction form
431,197.31/594,733.52 = 316,437.19/x - Step 3: Cross multiply
431,197.31x = 594,733.52 × 316,437.19 - Step 4: Simplify right side
431,197.31x = 188,195,803,171.87 - Step 5: Solve for x
x = 188,195,803,171.87/431,197.31 - Step 6: Final answer
x = 436,449.39
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1.5x scale
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.