Finding the Fourth Proportional to 176,289.76, 243,255.37 and 103,695.94
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Solution
The fourth proportional to 176,289.76, 243,255.37 and 103,695.94 is: 143,085.99
Step by Step Solution
- Step 1: Write the proportion equation
176,289.76 : 243,255.37 = 103,695.94 : x - Step 2: Convert to fraction form
176,289.76/243,255.37 = 103,695.94/x - Step 3: Cross multiply
176,289.76x = 243,255.37 × 103,695.94 - Step 4: Simplify right side
176,289.76x = 25,224,594,252.20 - Step 5: Solve for x
x = 25,224,594,252.20/176,289.76 - Step 6: Final answer
x = 143,085.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.