Finding the Fourth Proportional to 285,980.00, 428,968.14 and 72,746.08
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Solution
The fourth proportional to 285,980.00, 428,968.14 and 72,746.08 is: 109,118.65
Step by Step Solution
- Step 1: Write the proportion equation
285,980.00 : 428,968.14 = 72,746.08 : x - Step 2: Convert to fraction form
285,980.00/428,968.14 = 72,746.08/x - Step 3: Cross multiply
285,980.00x = 428,968.14 × 72,746.08 - Step 4: Simplify right side
285,980.00x = 31,205,751,697.62 - Step 5: Solve for x
x = 31,205,751,697.62/285,980.00 - Step 6: Final answer
x = 109,118.65
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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.