Finding the Fourth Proportional to 313,516.79, 432,646.05 and 170,273.75
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Solution
The fourth proportional to 313,516.79, 432,646.05 and 170,273.75 is: 234,973.91
Step by Step Solution
- Step 1: Write the proportion equation
313,516.79 : 432,646.05 = 170,273.75 : x - Step 2: Convert to fraction form
313,516.79/432,646.05 = 170,273.75/x - Step 3: Cross multiply
313,516.79x = 432,646.05 × 170,273.75 - Step 4: Simplify right side
313,516.79x = 73,668,265,356.19 - Step 5: Solve for x
x = 73,668,265,356.19/313,516.79 - Step 6: Final answer
x = 234,973.91
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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.