Finding the Fourth Proportional to 301,305.68, 415,913.64 and 258,693.20
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Solution
The fourth proportional to 301,305.68, 415,913.64 and 258,693.20 is: 357,092.61
Step by Step Solution
- Step 1: Write the proportion equation
301,305.68 : 415,913.64 = 258,693.20 : x - Step 2: Convert to fraction form
301,305.68/415,913.64 = 258,693.20/x - Step 3: Cross multiply
301,305.68x = 415,913.64 × 258,693.20 - Step 4: Simplify right side
301,305.68x = 107,594,030,455.25 - Step 5: Solve for x
x = 107,594,030,455.25/301,305.68 - Step 6: Final answer
x = 357,092.61
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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.