Finding the Fourth Proportional to 471,355.19, 650,483.84 and 256,509.11
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Solution
The fourth proportional to 471,355.19, 650,483.84 and 256,509.11 is: 353,990.02
Step by Step Solution
- Step 1: Write the proportion equation
471,355.19 : 650,483.84 = 256,509.11 : x - Step 2: Convert to fraction form
471,355.19/650,483.84 = 256,509.11/x - Step 3: Cross multiply
471,355.19x = 650,483.84 × 256,509.11 - Step 4: Simplify right side
471,355.19x = 166,855,030,867.78 - Step 5: Solve for x
x = 166,855,030,867.78/471,355.19 - Step 6: Final answer
x = 353,990.02
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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.