Finding the Fourth Proportional to 393,318.75, 589,980.29 and 97,830.75
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Solution
The fourth proportional to 393,318.75, 589,980.29 and 97,830.75 is: 146,746.66
Step by Step Solution
- Step 1: Write the proportion equation
393,318.75 : 589,980.29 = 97,830.75 : x - Step 2: Convert to fraction form
393,318.75/589,980.29 = 97,830.75/x - Step 3: Cross multiply
393,318.75x = 589,980.29 × 97,830.75 - Step 4: Simplify right side
393,318.75x = 57,718,213,766.76 - Step 5: Solve for x
x = 57,718,213,766.76/393,318.75 - Step 6: Final answer
x = 146,746.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.