Finding the Fourth Proportional to 180,776.18, 270,878.88 and 146,876.88
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Solution
The fourth proportional to 180,776.18, 270,878.88 and 146,876.88 is: 220,083.45
Step by Step Solution
- Step 1: Write the proportion equation
180,776.18 : 270,878.88 = 146,876.88 : x - Step 2: Convert to fraction form
180,776.18/270,878.88 = 146,876.88/x - Step 3: Cross multiply
180,776.18x = 270,878.88 × 146,876.88 - Step 4: Simplify right side
180,776.18x = 39,785,844,752.29 - Step 5: Solve for x
x = 39,785,844,752.29/180,776.18 - Step 6: Final answer
x = 220,083.45
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1.5x scale
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.