Finding the Fourth Proportional to 345,985.32, 477,448.91 and 202,840.70
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Solution
The fourth proportional to 345,985.32, 477,448.91 and 202,840.70 is: 279,913.82
Step by Step Solution
- Step 1: Write the proportion equation
345,985.32 : 477,448.91 = 202,840.70 : x - Step 2: Convert to fraction form
345,985.32/477,448.91 = 202,840.70/x - Step 3: Cross multiply
345,985.32x = 477,448.91 × 202,840.70 - Step 4: Simplify right side
345,985.32x = 96,846,071,118.64 - Step 5: Solve for x
x = 96,846,071,118.64/345,985.32 - Step 6: Final answer
x = 279,913.82
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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.