Finding the Fourth Proportional to 351,278.91, 526,919.73 and 85,038.99
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Solution
The fourth proportional to 351,278.91, 526,919.73 and 85,038.99 is: 127,558.82
Step by Step Solution
- Step 1: Write the proportion equation
351,278.91 : 526,919.73 = 85,038.99 : x - Step 2: Convert to fraction form
351,278.91/526,919.73 = 85,038.99/x - Step 3: Cross multiply
351,278.91x = 526,919.73 × 85,038.99 - Step 4: Simplify right side
351,278.91x = 44,808,721,650.27 - Step 5: Solve for x
x = 44,808,721,650.27/351,278.91 - Step 6: Final answer
x = 127,558.82
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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.