Finding the Fourth Proportional to 492,713.62, 679,946.53 and 266,359.14
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Solution
The fourth proportional to 492,713.62, 679,946.53 and 266,359.14 is: 367,576.55
Step by Step Solution
- Step 1: Write the proportion equation
492,713.62 : 679,946.53 = 266,359.14 : x - Step 2: Convert to fraction form
492,713.62/679,946.53 = 266,359.14/x - Step 3: Cross multiply
492,713.62x = 679,946.53 × 266,359.14 - Step 4: Simplify right side
492,713.62x = 181,109,972,976.78 - Step 5: Solve for x
x = 181,109,972,976.78/492,713.62 - Step 6: Final answer
x = 367,576.55
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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.