Finding the Fourth Proportional to 291,812.99, 402,701.91 and 157,676.99
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Solution
The fourth proportional to 291,812.99, 402,701.91 and 157,676.99 is: 217,594.23
Step by Step Solution
- Step 1: Write the proportion equation
291,812.99 : 402,701.91 = 157,676.99 : x - Step 2: Convert to fraction form
291,812.99/402,701.91 = 157,676.99/x - Step 3: Cross multiply
291,812.99x = 402,701.91 × 157,676.99 - Step 4: Simplify right side
291,812.99x = 63,496,823,022.54 - Step 5: Solve for x
x = 63,496,823,022.54/291,812.99 - Step 6: Final answer
x = 217,594.23
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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.