Finding the Fourth Proportional to 555,732.05, 832,266 and 285,148.08
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Solution
The fourth proportional to 555,732.05, 832,266 and 285,148.08 is: 427,038.63
Step by Step Solution
- Step 1: Write the proportion equation
555,732.05 : 832,266 = 285,148.08 : x - Step 2: Convert to fraction form
555,732.05/832,266 = 285,148.08/x - Step 3: Cross multiply
555,732.05x = 832,266 × 285,148.08 - Step 4: Simplify right side
555,732.05x = 237,319,051,949.28 - Step 5: Solve for x
x = 237,319,051,949.28/555,732.05 - Step 6: Final answer
x = 427,038.63
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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.