Finding the Fourth Proportional to 508,976.18, 763,482.54 and 256,118.99
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Solution
The fourth proportional to 508,976.18, 763,482.54 and 256,118.99 is: 384,187.67
Step by Step Solution
- Step 1: Write the proportion equation
508,976.18 : 763,482.54 = 256,118.99 : x - Step 2: Convert to fraction form
508,976.18/763,482.54 = 256,118.99/x - Step 3: Cross multiply
508,976.18x = 763,482.54 × 256,118.99 - Step 4: Simplify right side
508,976.18x = 195,542,373,210.02 - Step 5: Solve for x
x = 195,542,373,210.02/508,976.18 - Step 6: Final answer
x = 384,187.67
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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.