Finding the Fourth Proportional to 492,124.13, 679,131.29 and 265,769.63
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Solution
The fourth proportional to 492,124.13, 679,131.29 and 265,769.63 is: 366,762.08
Step by Step Solution
- Step 1: Write the proportion equation
492,124.13 : 679,131.29 = 265,769.63 : x - Step 2: Convert to fraction form
492,124.13/679,131.29 = 265,769.63/x - Step 3: Cross multiply
492,124.13x = 679,131.29 × 265,769.63 - Step 4: Simplify right side
492,124.13x = 180,492,468,933.49 - Step 5: Solve for x
x = 180,492,468,933.49/492,124.13 - Step 6: Final answer
x = 366,762.08
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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.