Finding the Fourth Proportional to 458,267.85, 687,125.63 and 205,502.63
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Solution
The fourth proportional to 458,267.85, 687,125.63 and 205,502.63 is: 308,130.11
Step by Step Solution
- Step 1: Write the proportion equation
458,267.85 : 687,125.63 = 205,502.63 : x - Step 2: Convert to fraction form
458,267.85/687,125.63 = 205,502.63/x - Step 3: Cross multiply
458,267.85x = 687,125.63 × 205,502.63 - Step 4: Simplify right side
458,267.85x = 141,206,121,183.54 - Step 5: Solve for x
x = 141,206,121,183.54/458,267.85 - Step 6: Final answer
x = 308,130.11
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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.