Finding the Fourth Proportional to 456,985.26, 630,640.08 and 255,781.26
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Solution
The fourth proportional to 456,985.26, 630,640.08 and 255,781.26 is: 352,978.37
Step by Step Solution
- Step 1: Write the proportion equation
456,985.26 : 630,640.08 = 255,781.26 : x - Step 2: Convert to fraction form
456,985.26/630,640.08 = 255,781.26/x - Step 3: Cross multiply
456,985.26x = 630,640.08 × 255,781.26 - Step 4: Simplify right side
456,985.26x = 161,305,914,268.90 - Step 5: Solve for x
x = 161,305,914,268.90/456,985.26 - Step 6: Final answer
x = 352,978.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.