Finding the Fourth Proportional to 318,711.24, 478,150.14 and 119,033.28
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Solution
The fourth proportional to 318,711.24, 478,150.14 and 119,033.28 is: 178,581.02
Step by Step Solution
- Step 1: Write the proportion equation
318,711.24 : 478,150.14 = 119,033.28 : x - Step 2: Convert to fraction form
318,711.24/478,150.14 = 119,033.28/x - Step 3: Cross multiply
318,711.24x = 478,150.14 × 119,033.28 - Step 4: Simplify right side
318,711.24x = 56,915,779,496.66 - Step 5: Solve for x
x = 56,915,779,496.66/318,711.24 - Step 6: Final answer
x = 178,581.02
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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.