Finding the Fourth Proportional to 439,135.63, 606,007.57 and 237,931.63
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Solution
The fourth proportional to 439,135.63, 606,007.57 and 237,931.63 is: 328,345.87
Step by Step Solution
- Step 1: Write the proportion equation
439,135.63 : 606,007.57 = 237,931.63 : x - Step 2: Convert to fraction form
439,135.63/606,007.57 = 237,931.63/x - Step 3: Cross multiply
439,135.63x = 606,007.57 × 237,931.63 - Step 4: Simplify right side
439,135.63x = 144,188,368,922.44 - Step 5: Solve for x
x = 144,188,368,922.44/439,135.63 - Step 6: Final answer
x = 328,345.87
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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.