Finding the Fourth Proportional to 219,282.80, 302,610.24 and 118,680.80
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Solution
The fourth proportional to 219,282.80, 302,610.24 and 118,680.80 is: 163,779.49
Step by Step Solution
- Step 1: Write the proportion equation
219,282.80 : 302,610.24 = 118,680.80 : x - Step 2: Convert to fraction form
219,282.80/302,610.24 = 118,680.80/x - Step 3: Cross multiply
219,282.80x = 302,610.24 × 118,680.80 - Step 4: Simplify right side
219,282.80x = 35,914,025,371.39 - Step 5: Solve for x
x = 35,914,025,371.39/219,282.80 - Step 6: Final answer
x = 163,779.49
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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.