Finding the Fourth Proportional to 364,214.62, 546,228.74 and 107,987.28
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Solution
The fourth proportional to 364,214.62, 546,228.74 and 107,987.28 is: 161,953.28
Step by Step Solution
- Step 1: Write the proportion equation
364,214.62 : 546,228.74 = 107,987.28 : x - Step 2: Convert to fraction form
364,214.62/546,228.74 = 107,987.28/x - Step 3: Cross multiply
364,214.62x = 546,228.74 × 107,987.28 - Step 4: Simplify right side
364,214.62x = 58,985,753,808.32 - Step 5: Solve for x
x = 58,985,753,808.32/364,214.62 - Step 6: Final answer
x = 161,953.28
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1.5x scale
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.