Finding the Fourth Proportional to 180,406.20, 248,943.61 and 107,794.62
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Solution
The fourth proportional to 180,406.20, 248,943.61 and 107,794.62 is: 148,746.45
Step by Step Solution
- Step 1: Write the proportion equation
180,406.20 : 248,943.61 = 107,794.62 : x - Step 2: Convert to fraction form
180,406.20/248,943.61 = 107,794.62/x - Step 3: Cross multiply
180,406.20x = 248,943.61 × 107,794.62 - Step 4: Simplify right side
180,406.20x = 26,834,781,841.38 - Step 5: Solve for x
x = 26,834,781,841.38/180,406.20 - Step 6: Final answer
x = 148,746.45
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1.5x scale
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.