Finding the Fourth Proportional to 251,978.69, 347,730.60 and 138,801.44
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Solution
The fourth proportional to 251,978.69, 347,730.60 and 138,801.44 is: 191,545.99
Step by Step Solution
- Step 1: Write the proportion equation
251,978.69 : 347,730.60 = 138,801.44 : x - Step 2: Convert to fraction form
251,978.69/347,730.60 = 138,801.44/x - Step 3: Cross multiply
251,978.69x = 347,730.60 × 138,801.44 - Step 4: Simplify right side
251,978.69x = 48,265,508,012.06 - Step 5: Solve for x
x = 48,265,508,012.06/251,978.69 - Step 6: Final answer
x = 191,545.99
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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.