Finding the Fourth Proportional to 340,221.08, 469,498.23 and 212,966.84
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Solution
The fourth proportional to 340,221.08, 469,498.23 and 212,966.84 is: 293,889.95
Step by Step Solution
- Step 1: Write the proportion equation
340,221.08 : 469,498.23 = 212,966.84 : x - Step 2: Convert to fraction form
340,221.08/469,498.23 = 212,966.84/x - Step 3: Cross multiply
340,221.08x = 469,498.23 × 212,966.84 - Step 4: Simplify right side
340,221.08x = 99,987,555,602.44 - Step 5: Solve for x
x = 99,987,555,602.44/340,221.08 - Step 6: Final answer
x = 293,889.95
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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.