Finding the Fourth Proportional to 291,620.44, 402,430.98 and 164,293.30
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Solution
The fourth proportional to 291,620.44, 402,430.98 and 164,293.30 is: 226,721.81
Step by Step Solution
- Step 1: Write the proportion equation
291,620.44 : 402,430.98 = 164,293.30 : x - Step 2: Convert to fraction form
291,620.44/402,430.98 = 164,293.30/x - Step 3: Cross multiply
291,620.44x = 402,430.98 × 164,293.30 - Step 4: Simplify right side
291,620.44x = 66,116,713,726.43 - Step 5: Solve for x
x = 66,116,713,726.43/291,620.44 - Step 6: Final answer
x = 226,721.81
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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.