Finding the Fourth Proportional to 485,071.62, 727,339.61 and 225,125.83
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Solution
The fourth proportional to 485,071.62, 727,339.61 and 225,125.83 is: 337,564.45
Step by Step Solution
- Step 1: Write the proportion equation
485,071.62 : 727,339.61 = 225,125.83 : x - Step 2: Convert to fraction form
485,071.62/727,339.61 = 225,125.83/x - Step 3: Cross multiply
485,071.62x = 727,339.61 × 225,125.83 - Step 4: Simplify right side
485,071.62x = 163,742,933,393.13 - Step 5: Solve for x
x = 163,742,933,393.13/485,071.62 - Step 6: Final answer
x = 337,564.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.