Finding the Fourth Proportional to 172,274.96, 237,752.71 and 103,366.99
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Solution
The fourth proportional to 172,274.96, 237,752.71 and 103,366.99 is: 142,654.41
Step by Step Solution
- Step 1: Write the proportion equation
172,274.96 : 237,752.71 = 103,366.99 : x - Step 2: Convert to fraction form
172,274.96/237,752.71 = 103,366.99/x - Step 3: Cross multiply
172,274.96x = 237,752.71 × 103,366.99 - Step 4: Simplify right side
172,274.96x = 24,575,782,210.24 - Step 5: Solve for x
x = 24,575,782,210.24/172,274.96 - Step 6: Final answer
x = 142,654.41
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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.