Finding the Fourth Proportional to 319,403.18, 440,024.40 and 264,750.05
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Solution
The fourth proportional to 319,403.18, 440,024.40 and 264,750.05 is: 364,731.75
Step by Step Solution
- Step 1: Write the proportion equation
319,403.18 : 440,024.40 = 264,750.05 : x - Step 2: Convert to fraction form
319,403.18/440,024.40 = 264,750.05/x - Step 3: Cross multiply
319,403.18x = 440,024.40 × 264,750.05 - Step 4: Simplify right side
319,403.18x = 116,496,483,001.28 - Step 5: Solve for x
x = 116,496,483,001.28/319,403.18 - Step 6: Final answer
x = 364,731.75
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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.