Finding the Fourth Proportional to 342,001.24, 513,056.99 and 105,343.69
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Solution
The fourth proportional to 342,001.24, 513,056.99 and 105,343.69 is: 158,032.52
Step by Step Solution
- Step 1: Write the proportion equation
342,001.24 : 513,056.99 = 105,343.69 : x - Step 2: Convert to fraction form
342,001.24/513,056.99 = 105,343.69/x - Step 3: Cross multiply
342,001.24x = 513,056.99 × 105,343.69 - Step 4: Simplify right side
342,001.24x = 54,047,315,857.03 - Step 5: Solve for x
x = 54,047,315,857.03/342,001.24 - Step 6: Final answer
x = 158,032.52
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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.