Finding the Fourth Proportional to 553,000.26, 762,747.08 and 369,146.26
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Solution
The fourth proportional to 553,000.26, 762,747.08 and 369,146.26 is: 509,159.31
Step by Step Solution
- Step 1: Write the proportion equation
553,000.26 : 762,747.08 = 369,146.26 : x - Step 2: Convert to fraction form
553,000.26/762,747.08 = 369,146.26/x - Step 3: Cross multiply
553,000.26x = 762,747.08 × 369,146.26 - Step 4: Simplify right side
553,000.26x = 281,565,233,092.07 - Step 5: Solve for x
x = 281,565,233,092.07/553,000.26 - Step 6: Final answer
x = 509,159.31
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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.