Finding the Fourth Proportional to 345,990.84, 477,467.82 and 187,014.84
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Solution
The fourth proportional to 345,990.84, 477,467.82 and 187,014.84 is: 258,080.73
Step by Step Solution
- Step 1: Write the proportion equation
345,990.84 : 477,467.82 = 187,014.84 : x - Step 2: Convert to fraction form
345,990.84/477,467.82 = 187,014.84/x - Step 3: Cross multiply
345,990.84x = 477,467.82 × 187,014.84 - Step 4: Simplify right side
345,990.84x = 89,293,567,962.45 - Step 5: Solve for x
x = 89,293,567,962.45/345,990.84 - Step 6: Final answer
x = 258,080.73
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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.