Finding the Fourth Proportional to 134,652.98, 185,821.06 and 74,224.63
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Solution
The fourth proportional to 134,652.98, 185,821.06 and 74,224.63 is: 102,429.95
Step by Step Solution
- Step 1: Write the proportion equation
134,652.98 : 185,821.06 = 74,224.63 : x - Step 2: Convert to fraction form
134,652.98/185,821.06 = 74,224.63/x - Step 3: Cross multiply
134,652.98x = 185,821.06 × 74,224.63 - Step 4: Simplify right side
134,652.98x = 13,792,498,495.60 - Step 5: Solve for x
x = 13,792,498,495.60/134,652.98 - Step 6: Final answer
x = 102,429.95
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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.