Finding the Fourth Proportional to 119,294.24, 178,830.12 and 40,353.53
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Solution
The fourth proportional to 119,294.24, 178,830.12 and 40,353.53 is: 60,492.67
Step by Step Solution
- Step 1: Write the proportion equation
119,294.24 : 178,830.12 = 40,353.53 : x - Step 2: Convert to fraction form
119,294.24/178,830.12 = 40,353.53/x - Step 3: Cross multiply
119,294.24x = 178,830.12 × 40,353.53 - Step 4: Simplify right side
119,294.24x = 7,216,426,612.32 - Step 5: Solve for x
x = 7,216,426,612.32/119,294.24 - Step 6: Final answer
x = 60,492.67
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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.