Finding the Fourth Proportional to 437,934.22, 656,609.64 and 157,415.02
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Solution
The fourth proportional to 437,934.22, 656,609.64 and 157,415.02 is: 236,017.68
Step by Step Solution
- Step 1: Write the proportion equation
437,934.22 : 656,609.64 = 157,415.02 : x - Step 2: Convert to fraction form
437,934.22/656,609.64 = 157,415.02/x - Step 3: Cross multiply
437,934.22x = 656,609.64 × 157,415.02 - Step 4: Simplify right side
437,934.22x = 103,360,219,612.79 - Step 5: Solve for x
x = 103,360,219,612.79/437,934.22 - Step 6: Final answer
x = 236,017.68
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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.