Finding the Fourth Proportional to 318,094.74, 438,980.86 and 174,860.82
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Solution
The fourth proportional to 318,094.74, 438,980.86 and 174,860.82 is: 241,313.49
Step by Step Solution
- Step 1: Write the proportion equation
318,094.74 : 438,980.86 = 174,860.82 : x - Step 2: Convert to fraction form
318,094.74/438,980.86 = 174,860.82/x - Step 3: Cross multiply
318,094.74x = 438,980.86 × 174,860.82 - Step 4: Simplify right side
318,094.74x = 76,760,553,143.91 - Step 5: Solve for x
x = 76,760,553,143.91/318,094.74 - Step 6: Final answer
x = 241,313.49
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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.