Finding the Fourth Proportional to 320,276.04, 480,585.36 and 207,929.82
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Solution
The fourth proportional to 320,276.04, 480,585.36 and 207,929.82 is: 312,005.94
Step by Step Solution
- Step 1: Write the proportion equation
320,276.04 : 480,585.36 = 207,929.82 : x - Step 2: Convert to fraction form
320,276.04/480,585.36 = 207,929.82/x - Step 3: Cross multiply
320,276.04x = 480,585.36 × 207,929.82 - Step 4: Simplify right side
320,276.04x = 99,928,027,399.44 - Step 5: Solve for x
x = 99,928,027,399.44/320,276.04 - Step 6: Final answer
x = 312,005.94
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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.