Finding the Fourth Proportional to 345,962.68, 477,431.34 and 202,726.84
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Solution
The fourth proportional to 345,962.68, 477,431.34 and 202,726.84 is: 279,764.70
Step by Step Solution
- Step 1: Write the proportion equation
345,962.68 : 477,431.34 = 202,726.84 : x - Step 2: Convert to fraction form
345,962.68/477,431.34 = 202,726.84/x - Step 3: Cross multiply
345,962.68x = 477,431.34 × 202,726.84 - Step 4: Simplify right side
345,962.68x = 96,788,146,875.17 - Step 5: Solve for x
x = 96,788,146,875.17/345,962.68 - Step 6: Final answer
x = 279,764.70
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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.