Finding the Fourth Proportional to 291,425.48, 402,205.46 and 164,125.96
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Solution
The fourth proportional to 291,425.48, 402,205.46 and 164,125.96 is: 226,515.39
Step by Step Solution
- Step 1: Write the proportion equation
291,425.48 : 402,205.46 = 164,125.96 : x - Step 2: Convert to fraction form
291,425.48/402,205.46 = 164,125.96/x - Step 3: Cross multiply
291,425.48x = 402,205.46 × 164,125.96 - Step 4: Simplify right side
291,425.48x = 66,012,357,239.74 - Step 5: Solve for x
x = 66,012,357,239.74/291,425.48 - Step 6: Final answer
x = 226,515.39
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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.