Finding the Fourth Proportional to 168,823.29, 253,141.46 and 69,053.55
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Solution
The fourth proportional to 168,823.29, 253,141.46 and 69,053.55 is: 103,542.09
Step by Step Solution
- Step 1: Write the proportion equation
168,823.29 : 253,141.46 = 69,053.55 : x - Step 2: Convert to fraction form
168,823.29/253,141.46 = 69,053.55/x - Step 3: Cross multiply
168,823.29x = 253,141.46 × 69,053.55 - Step 4: Simplify right side
168,823.29x = 17,480,316,119.92 - Step 5: Solve for x
x = 17,480,316,119.92/168,823.29 - Step 6: Final answer
x = 103,542.09
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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.