Finding the Fourth Proportional to 1,054,132.75, 1,581,242.88 and 306,178.75
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Solution
The fourth proportional to 1,054,132.75, 1,581,242.88 and 306,178.75 is: 459,280.83
Step by Step Solution
- Step 1: Write the proportion equation
1,054,132.75 : 1,581,242.88 = 306,178.75 : x - Step 2: Convert to fraction form
1,054,132.75/1,581,242.88 = 306,178.75/x - Step 3: Cross multiply
1,054,132.75x = 1,581,242.88 × 306,178.75 - Step 4: Simplify right side
1,054,132.75x = 484,142,968,444.80 - Step 5: Solve for x
x = 484,142,968,444.80/1,054,132.75 - Step 6: Final answer
x = 459,280.83
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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.