Finding the Fourth Proportional to 408,525.19, 563,764.76 and 229,677.19
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Solution
The fourth proportional to 408,525.19, 563,764.76 and 229,677.19 is: 316,954.52
Step by Step Solution
- Step 1: Write the proportion equation
408,525.19 : 563,764.76 = 229,677.19 : x - Step 2: Convert to fraction form
408,525.19/563,764.76 = 229,677.19/x - Step 3: Cross multiply
408,525.19x = 563,764.76 × 229,677.19 - Step 4: Simplify right side
408,525.19x = 129,483,904,201.32 - Step 5: Solve for x
x = 129,483,904,201.32/408,525.19 - Step 6: Final answer
x = 316,954.52
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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.