Finding the Fourth Proportional to 425,842.14, 587,513.76 and 272,964.63
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Solution
The fourth proportional to 425,842.14, 587,513.76 and 272,964.63 is: 376,596.07
Step by Step Solution
- Step 1: Write the proportion equation
425,842.14 : 587,513.76 = 272,964.63 : x - Step 2: Convert to fraction form
425,842.14/587,513.76 = 272,964.63/x - Step 3: Cross multiply
425,842.14x = 587,513.76 × 272,964.63 - Step 4: Simplify right side
425,842.14x = 160,370,475,373.14 - Step 5: Solve for x
x = 160,370,475,373.14/425,842.14 - Step 6: Final answer
x = 376,596.07
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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.