Finding the Fourth Proportional to 216,206.72, 298,415.04 and 126,811.52
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Solution
The fourth proportional to 216,206.72, 298,415.04 and 126,811.52 is: 175,029.09
Step by Step Solution
- Step 1: Write the proportion equation
216,206.72 : 298,415.04 = 126,811.52 : x - Step 2: Convert to fraction form
216,206.72/298,415.04 = 126,811.52/x - Step 3: Cross multiply
216,206.72x = 298,415.04 × 126,811.52 - Step 4: Simplify right side
216,206.72x = 37,842,464,813.26 - Step 5: Solve for x
x = 37,842,464,813.26/216,206.72 - Step 6: Final answer
x = 175,029.09
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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.