Finding the Fourth Proportional to 183,374.74, 253,140.04 and 115,491.48
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Solution
The fourth proportional to 183,374.74, 253,140.04 and 115,491.48 is: 159,430.45
Step by Step Solution
- Step 1: Write the proportion equation
183,374.74 : 253,140.04 = 115,491.48 : x - Step 2: Convert to fraction form
183,374.74/253,140.04 = 115,491.48/x - Step 3: Cross multiply
183,374.74x = 253,140.04 × 115,491.48 - Step 4: Simplify right side
183,374.74x = 29,235,517,866.86 - Step 5: Solve for x
x = 29,235,517,866.86/183,374.74 - Step 6: Final answer
x = 159,430.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.