Finding the Fourth Proportional to 156,668.99, 235,003.07 and 56,828.99
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Solution
The fourth proportional to 156,668.99, 235,003.07 and 56,828.99 is: 85,243.34
Step by Step Solution
- Step 1: Write the proportion equation
156,668.99 : 235,003.07 = 56,828.99 : x - Step 2: Convert to fraction form
156,668.99/235,003.07 = 56,828.99/x - Step 3: Cross multiply
156,668.99x = 235,003.07 × 56,828.99 - Step 4: Simplify right side
156,668.99x = 13,354,987,844.58 - Step 5: Solve for x
x = 13,354,987,844.58/156,668.99 - Step 6: Final answer
x = 85,243.34
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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.