Finding the Fourth Proportional to 207,260.18, 286,053.35 and 130,820.88
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Solution
The fourth proportional to 207,260.18, 286,053.35 and 130,820.88 is: 180,554.47
Step by Step Solution
- Step 1: Write the proportion equation
207,260.18 : 286,053.35 = 130,820.88 : x - Step 2: Convert to fraction form
207,260.18/286,053.35 = 130,820.88/x - Step 3: Cross multiply
207,260.18x = 286,053.35 × 130,820.88 - Step 4: Simplify right side
207,260.18x = 37,421,750,319.84 - Step 5: Solve for x
x = 37,421,750,319.84/207,260.18 - Step 6: Final answer
x = 180,554.47
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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.