Finding the Fourth Proportional to 375,501.96, 563,257.98 and 138,842.28
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Solution
The fourth proportional to 375,501.96, 563,257.98 and 138,842.28 is: 208,265.28
Step by Step Solution
- Step 1: Write the proportion equation
375,501.96 : 563,257.98 = 138,842.28 : x - Step 2: Convert to fraction form
375,501.96/563,257.98 = 138,842.28/x - Step 3: Cross multiply
375,501.96x = 563,257.98 × 138,842.28 - Step 4: Simplify right side
375,501.96x = 78,204,022,171.39 - Step 5: Solve for x
x = 78,204,022,171.39/375,501.96 - Step 6: Final answer
x = 208,265.28
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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.