Finding the Fourth Proportional to 325,277.80, 487,916.70 and 159,389.80
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Solution
The fourth proportional to 325,277.80, 487,916.70 and 159,389.80 is: 239,084.70
Step by Step Solution
- Step 1: Write the proportion equation
325,277.80 : 487,916.70 = 159,389.80 : x - Step 2: Convert to fraction form
325,277.80/487,916.70 = 159,389.80/x - Step 3: Cross multiply
325,277.80x = 487,916.70 × 159,389.80 - Step 4: Simplify right side
325,277.80x = 77,768,945,229.66 - Step 5: Solve for x
x = 77,768,945,229.66/325,277.80 - Step 6: Final answer
x = 239,084.70
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1.5x scale
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.