Finding the Fourth Proportional to 455,083.13, 628,014.99 and 253,879.13
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Solution
The fourth proportional to 455,083.13, 628,014.99 and 253,879.13 is: 350,353.35
Step by Step Solution
- Step 1: Write the proportion equation
455,083.13 : 628,014.99 = 253,879.13 : x - Step 2: Convert to fraction form
455,083.13/628,014.99 = 253,879.13/x - Step 3: Cross multiply
455,083.13x = 628,014.99 × 253,879.13 - Step 4: Simplify right side
455,083.13x = 159,439,896,148.08 - Step 5: Solve for x
x = 159,439,896,148.08/455,083.13 - Step 6: Final answer
x = 350,353.35
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1.5x scale
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.