Finding the Fourth Proportional to 458,264.64, 687,174.74 and 268,786.91
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Solution
The fourth proportional to 458,264.64, 687,174.74 and 268,786.91 is: 403,050.02
Step by Step Solution
- Step 1: Write the proportion equation
458,264.64 : 687,174.74 = 268,786.91 : x - Step 2: Convert to fraction form
458,264.64/687,174.74 = 268,786.91/x - Step 3: Cross multiply
458,264.64x = 687,174.74 × 268,786.91 - Step 4: Simplify right side
458,264.64x = 184,703,572,511.25 - Step 5: Solve for x
x = 184,703,572,511.25/458,264.64 - Step 6: Final answer
x = 403,050.02
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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.