Finding the Fourth Proportional to 150,484.48, 207,669.36 and 86,824.96
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Solution
The fourth proportional to 150,484.48, 207,669.36 and 86,824.96 is: 119,818.89
Step by Step Solution
- Step 1: Write the proportion equation
150,484.48 : 207,669.36 = 86,824.96 : x - Step 2: Convert to fraction form
150,484.48/207,669.36 = 86,824.96/x - Step 3: Cross multiply
150,484.48x = 207,669.36 × 86,824.96 - Step 4: Simplify right side
150,484.48x = 18,030,883,875.23 - Step 5: Solve for x
x = 18,030,883,875.23/150,484.48 - Step 6: Final answer
x = 119,818.89
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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.