Finding the Fourth Proportional to 343,134.81, 473,412.62 and 207,117.09
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Solution
The fourth proportional to 343,134.81, 473,412.62 and 207,117.09 is: 285,753.12
Step by Step Solution
- Step 1: Write the proportion equation
343,134.81 : 473,412.62 = 207,117.09 : x - Step 2: Convert to fraction form
343,134.81/473,412.62 = 207,117.09/x - Step 3: Cross multiply
343,134.81x = 473,412.62 × 207,117.09 - Step 4: Simplify right side
343,134.81x = 98,051,843,188.09 - Step 5: Solve for x
x = 98,051,843,188.09/343,134.81 - Step 6: Final answer
x = 285,753.12
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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.