Finding the Fourth Proportional to 432,913.68, 649,370.52 and 262,169.81
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Solution
The fourth proportional to 432,913.68, 649,370.52 and 262,169.81 is: 393,254.71
Step by Step Solution
- Step 1: Write the proportion equation
432,913.68 : 649,370.52 = 262,169.81 : x - Step 2: Convert to fraction form
432,913.68/649,370.52 = 262,169.81/x - Step 3: Cross multiply
432,913.68x = 649,370.52 × 262,169.81 - Step 4: Simplify right side
432,913.68x = 170,245,345,036.29 - Step 5: Solve for x
x = 170,245,345,036.29/432,913.68 - Step 6: Final answer
x = 393,254.71
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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.